README, .github: update discord links (#1318)

.github/ISSUE_TEMPLATE/bug.md

@@ -6,7 +6,7 @@ labels: 'type:bug'
 assignees: ''
 ---
 
-Our support team has aggregated some common issues and their solutions from past which are faced while running or interacting with a bor client. In order to prevent redundant efforts, we would encourage you to have a look at the [FAQ's section](https://wiki.polygon.technology/docs/faq/technical-faqs/) of our documentation mentioning the same, before filing an issue here. In case of additional support, you can also join our [discord](https://discord.com/invite/0xPolygonDevs) server
+Our support team has aggregated some common issues and their solutions from past which are faced while running or interacting with a bor client. In order to prevent redundant efforts, we would encourage you to have a look at the [FAQ's section](https://wiki.polygon.technology/docs/faq/technical-faqs/) of our documentation mentioning the same, before filing an issue here. In case of additional support, you can also join our [discord](https://discord.com/invite/0xPolygonCommunity) server
 
 <!--
 NOTE: Please make sure to check of any addresses / private keys / rpc url's / IP's before sharing the logs or anything from the additional information section (start.sh or heimdall config).

.github/ISSUE_TEMPLATE/question.md

@@ -8,4 +8,4 @@ assignees: ''
 
 This should only be used in very rare cases e.g. if you are not 100% sure if something is a bug or asking a question that leads to improving the documentation. 
 
-For general questions please join our [discord](https://discord.com/invite/0xPolygonDevs) server.
+For general questions please join our [discord](https://discord.com/invite/0xPolygonCommunity) server.

README.md

@@ -2,11 +2,11 @@
 Bor is the Official Golang implementation of the Polygon PoS blockchain. It is a fork of [geth](https://github.com/ethereum/go-ethereum) and is EVM compatible (upto London fork).
 
 [![API Reference](
-https://camo.githubusercontent.com/915b7be44ada53c290eb157634330494ebe3e30a/68747470733a2f2f676f646f632e6f72672f6769746875622e636f6d2f676f6c616e672f6764646f3f7374617475732e737667
+https://pkg.go.dev/badge/github.com/maticnetwork/bor
 )](https://pkg.go.dev/github.com/maticnetwork/bor)
 [![Go Report Card](https://goreportcard.com/badge/github.com/maticnetwork/bor)](https://goreportcard.com/report/github.com/maticnetwork/bor)
 ![MIT License](https://img.shields.io/github/license/maticnetwork/bor)
-[![Discord](https://img.shields.io/discord/714888181740339261?color=1C1CE1&label=Polygon%20%7C%20Discord%20%F0%9F%91%8B%20&style=flat-square)](https://discord.gg/0xpolygon)
+[![Discord](https://img.shields.io/badge/discord-join%20chat-blue.svg)](https://discord.com/invite/0xpolygonrnd)
 [![Twitter Follow](https://img.shields.io/twitter/follow/0xPolygon.svg?style=social)](https://twitter.com/0xPolygon)
 
 ### Installing bor using packaging
@@ -79,4 +79,4 @@ included in our repository in the `COPYING` file.
 
 ## Join our Discord server
 
-Join Polygon community  – share your ideas or just say hi over [on Discord](https://discord.com/invite/0xPolygonDevs).
+Join Polygon community  – share your ideas or just say hi over on [Polygon Community Discord](https://discord.com/invite/0xPolygonCommunity) or on [Polygon R&D Discord](https://discord.com/invite/0xpolygonrnd).