add changelog

CHANGELOG.md

@@ -0,0 +1,22 @@
+# Changelog
+
+## [1.0.0] - 2023-10-20
+
+_First release._
+
+### Changed
+
+- Adopt Connection interface update
+- Adopt Configuration API update (#1)
+- Require manual apply for URL changes (#2)
+- Adopt build flag prefix change from `MOCPP_` to `MO_`
+
+## [d7617] - 23-08-23
+
+_Previous point with breaking changes on master_
+
+Renaming to MicroOcppMongoose is completed since this commit. See the [migration guide](https://matth-x.github.io/MicroOcpp/migration/) for more details on what's changed. Changelogs and semantic versioning are adopted starting with v1.0.0
+
+## [0.1.0] - 23-08-20
+
+_Last version under the project name ArduinoOcppMongoose_