Added Changelog entry

Author: juntyr

CHANGELOG.md

@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add `integer128` feature that guards `i128` and `u128` ([#304](https://github.com/ron-rs/ron/pull/304), [#351](https://github.com/ron-rs/ron/pull/351))
 - Fix issue [#265](https://github.com/ron-rs/ron/issues/265) with better missing comma error ([#353](https://github.com/ron-rs/ron/pull/353))
 - Fix issue [#301](https://github.com/ron-rs/ron/issues/301) with better error messages ([#354](https://github.com/ron-rs/ron/pull/354))
+- Fix issue [#203](https://github.com/ron-rs/ron/issues/203) with full de error positioning ([#356](https://github.com/ron-rs/ron/pull/356))
 
 ## [0.7.0] - 2021-10-22