docs: fix Changelog formatting

CHANGELOG.md

@@ -1,6 +1,9 @@
-# Change Log
+# Changelog
 
-All notable changes to this project will be documented in this file. Tracking did not begin until version 1.10.
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [1.9.0]
 
@@ -15,131 +18,135 @@ Released 2024-02-14
 
 [1.9.0]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/1.9.0
 
-<a name="1.8.0"></a>
-# [1.8.0] (2022-04-22)
+## [1.8.0] (2022-04-22)
 
 - feat: add exponential backoff for sending data [#76](https://github.com/SumoLogic/fluentd-output-sumologic/pull/76)
 - feat(max_request_size): add max_request_size to limit size of requests [#78](https://github.com/SumoLogic/fluentd-output-sumologic/pull/78)
 
-<a name="1.7.5"></a>
-# [1.7.5] (2022-04-11)
+[1.8.0]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/1.8.0
+
+## [1.7.5] (2022-04-11)
 
 - refactor: add a debug log on sending [#75](https://github.com/SumoLogic/fluentd-output-sumologic/pull/75)
 
-<a name="1.7.4"></a>
-# [1.7.4] (2021-04-08)
+[1.7.5]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/1.7.5
+
+## [1.7.4] (2021-04-08)
 
 - fix: handle receiver warning messages [#73](https://github.com/SumoLogic/fluentd-output-sumologic/pull/73)
 
-<a name="1.7.3"></a>
-# [1.7.3] (2021-10-19)
+[1.7.4]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/1.7.4
+
+## [1.7.3] (2021-10-19)
+
 - Expose httpclient send_timeout [#66](https://github.com/SumoLogic/fluentd-output-sumologic/pull/68)
 - Fix json parsing [#69](https://github.com/SumoLogic/fluentd-output-sumologic/pull/69)
 
-<a name="1.7.2"></a>
-# [1.7.2] (2020-11-23)
+[1.7.3]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/1.7.3
+
+## [1.7.2] (2020-11-23)
+
 - Fix configuration for older fluentd versions [#63](https://github.com/SumoLogic/fluentd-output-sumologic/pull/63)
 
-<a name="1.7.1"></a>
-# [1.7.1] (2020-04-28)
+[1.7.2]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/1.7.2
+
+## [1.7.1] (2020-04-28)
+
 - Fix configuration for older fluentd versions [#63](https://github.com/SumoLogic/fluentd-output-sumologic/pull/63)
 
-<a name="1.7.0"></a>
-# [1.7.0] (2020-04-23)
+[1.7.1]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/1.7.1
+
+## [1.7.0] (2020-04-23)
+
 - Add option for specifing custom fields for logs: [#56](https://github.com/SumoLogic/fluentd-output-sumologic/pull/56)
 - Add option for specifing custom dimensions for metrics: [#57](https://github.com/SumoLogic/fluentd-output-sumologic/pull/57)
 - Add support for compression: [#58](https://github.com/SumoLogic/fluentd-output-sumologic/pull/58)
 
-<a name="1.5.0"></a>
-# [1.5.0] (2019-06-26)
+[1.7.0]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/1.7.0
+
+## [1.5.0] (2019-06-26)
+
 - Add support for new log format fields: [#49](https://github.com/SumoLogic/fluentd-output-sumologic/pull/49)
 
-<a name="1.4.1"></a>
-# [1.4.1] (2019-03-13)
+[1.5.0]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/1.5.0
+
+## [1.4.1] (2019-03-13)
 
 - Add option for sending metrics in Prometheus format [#39](https://github.com/SumoLogic/fluentd-output-sumologic/pull/39) 
 - Use the build-in extract_placeholders method for header expanding [#40](https://github.com/SumoLogic/fluentd-output-sumologic/pull/40)
 
 __NOTE:__ there is a breaking change in the placeholders: `tag_parts[n]` is replaced by `tag[n]` [#47](https://github.com/SumoLogic/fluentd-output-sumologic/issues/47)
 
-<a name="1.4.0"></a>
-# [1.4.0] (2019-01-16)
+[1.4.1]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/1.4.1
+
+## [1.4.0] (2019-01-16)
+
+- [Add timestamp_key, prefer log message when merging](https://github.com/SumoLogic/fluentd-output-sumologic/pull/37)
+
+[1.4.0]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/tag/1.4.0
+
+## [1.3.2] (2018-12-05)
 
-* [Add timestamp_key, prefer log message when merging](https://github.com/SumoLogic/fluentd-output-sumologic/pull/37)
+- Fix verify SSL bug
 
-<a name="1.3.2"></a>
-# [1.3.2] (2018-12-05)
+[1.3.2]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/tag/1.3.2
 
-* Fix verify SSL bug
+## [1.3.1] (2018-08-30)
 
-<a name="1.3.1"></a>
-# [1.3.1] (2018-08-30)
+- [Sumo Logic endpoint is a secret](https://github.com/SumoLogic/fluentd-output-sumologic/pull/32)
 
-* [Sumo Logic endpoint is a secret](https://github.com/SumoLogic/fluentd-output-sumologic/pull/32)
+[1.3.1]: https://github.com/SumoLogic/fluentd-output-sumologic/releases/tag/1.3.1
 
-<a name="1.3.0"></a>
-# [1.3.0] (2018-08-08)
+## 1.3.0 (2018-08-08)
 
-<a name="1.2.0"></a>
-# [1.2.0] (2018-07-18)
+## 1.2.0 (2018-07-18)
 
-  * add support for multi worker
+- add support for multi worker
 
-<a name="1.1.1"></a>
-# [1.1.1] (2018-07-12)
+## 1.1.1 (2018-07-12)
 
-  * if `record[@log_key]` is json, parse it as JSON and not as string.  
+- if `record[@log_key]` is json, parse it as JSON and not as string.  
 
-<a name="1.1.0"></a>
-# [1.1.0] (2018-06-29)
+## 1.1.0 (2018-06-29)
 
-  * Add support for sending metrics.
+- Add support for sending metrics.
 
-<a name="1.0.3"></a>
-# [1.0.3] (2018-05-07)
+## 1.0.3 (2018-05-07)
 
-  * [Fix #26 -- Don't chomp if the message is not chomp-able](https://github.com/SumoLogic/fluentd-output-sumologic/pull/29)
+- [Fix #26 -- Don't chomp if the message is not chomp-able](https://github.com/SumoLogic/fluentd-output-sumologic/pull/29)
 
-<a name="1.0.2"></a>
-# [1.0.2] (2018-04-09)
+## 1.0.2 (2018-04-09)
 
-  * [add option to turn off adding timestamp to logs](https://github.com/SumoLogic/fluentd-output-sumologic/pull/27)
+- [add option to turn off adding timestamp to logs](https://github.com/SumoLogic/fluentd-output-sumologic/pull/27)
 
-<a name="1.0.1"></a>
-# [1.0.1] (2017-12-19)
+## 1.0.1 (2017-12-19)
 
-  * [Add client header for fluentd output](https://github.com/SumoLogic/fluentd-output-sumologic/pull/22)
+- [Add client header for fluentd output](https://github.com/SumoLogic/fluentd-output-sumologic/pull/22)
 
-<a name="1.0.0"></a>
-# [1.0.0] (2017-11-06)
+## 1.0.0 (2017-11-06)
 
-  * [Upgrade to 0.14 API, send with ms precision](https://github.com/SumoLogic/fluentd-output-sumologic/pull/12)
-  * [Switch to httpclient](https://github.com/SumoLogic/fluentd-output-sumologic/pull/16)
-  * [Fix missing variable and improve config example](https://github.com/SumoLogic/fluentd-output-sumologic/pull/17)
+- [Upgrade to 0.14 API, send with ms precision](https://github.com/SumoLogic/fluentd-output-sumologic/pull/12)
+- [Switch to httpclient](https://github.com/SumoLogic/fluentd-output-sumologic/pull/16)
+- [Fix missing variable and improve config example](https://github.com/SumoLogic/fluentd-output-sumologic/pull/17)
 
-<a name="0.0.7"></a>
-# [0.0.7] (2017-10-26)
+## 0.0.7 (2017-10-26)
 
-  * [Expand parameters in the output configuration](https://github.com/SumoLogic/fluentd-output-sumologic/pull/14)
-  * [add open_timeout option](https://github.com/SumoLogic/fluentd-output-sumologic/pull/15)
+- [Expand parameters in the output configuration](https://github.com/SumoLogic/fluentd-output-sumologic/pull/14)
+- [add open_timeout option](https://github.com/SumoLogic/fluentd-output-sumologic/pull/15)
 
-<a name="0.0.6"></a>
-# [0.0.6] (2017-08-23)
+## 0.0.6 (2017-08-23)
 
-  * Fix 0.0.5
+- Fix 0.0.5
 
-<a name="0.0.5"></a>
-# [0.0.5] (2017-08-18)
+## 0.0.5 (2017-08-18)
 
-  * [Ignore garbage records. Fix inspired by other plugins](https://github.com/SumoLogic/fluentd-output-sumologic/pull/7)
-  * [Extract the source_name from FluentD's buffer](https://github.com/SumoLogic/fluentd-output-sumologic/pull/8)
+- [Ignore garbage records. Fix inspired by other plugins](https://github.com/SumoLogic/fluentd-output-sumologic/pull/7)
+- [Extract the source_name from FluentD's buffer](https://github.com/SumoLogic/fluentd-output-sumologic/pull/8)
 
-<a name="0.0.4"></a>
-# [0.0.4] (2017-07-05)
+## 0.0.4 (2017-07-05)
 
-  * [Raise an exception for all non HTTP Success response codes](https://github.com/SumoLogic/fluentd-output-sumologic/pull/5)
+- [Raise an exception for all non HTTP Success response codes](https://github.com/SumoLogic/fluentd-output-sumologic/pull/5)
 
-<a name="0.0.3"></a>
-# [0.0.3] (2016-12-10)
+## 0.0.3 (2016-12-10)
 
-  * Initial Release
+- Initial Release