meta: added 0.0.3 changelog

changelog.md

@@ -12,6 +12,15 @@ 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).
 
+## [0.0.3](https://github.com/adrianprelipcean/pgtfs/releases/tag/v0.0.3)
+### Added
+- Added version of Connection Scan Algorithms that prioritize searches on the same route (`perform_CSA_Minimize_Transfers`) invoked by setting the `minimize_transfers` boolean flag to `true`
+- Added regression test for minimizing route transfers 
+
+### Changed
+- Removed `pfree` for `PG_GETARG_XXX` calls, which caused `pfree called with invalid pointer` crashes
+
+
 ## [0.0.2](https://github.com/adrianprelipcean/pgtfs/releases/tag/v0.0.2)
 ### Changed
 - use `double` instead of `float8` and `time_t` to maintain data type consistency between PostgreSQL and PGTFS