Add basic changelog (#31)

CHANGELOG.md

@@ -0,0 +1,33 @@
+# Changelog
+## [Unreleased]
+
+## [0.2.0] - 2022-10-20
+### Added
+- Added all functions from lz-string
+- Added most of the tests from lz-string
+- Added basic Python Binding
+
+### Removed
+- Removed `str_to_u32_vec`
+
+### Changed 
+- Renamed `compress_uri` to `compress_to_encoded_uri_component`
+- Renamed `decompress_uri` to `decompress_from_encoded_uri_component`
+- Renamed `compress_str` to `compress`
+- Renamed `decompress` to `decompress`
+- Renamed `compress` to `compress_internal`
+- Renamed `decompress` to `decompress_internal`
+- Changed many interfaces to use the `IntoWideIter` instead of u32 slices
+
+### Fixed
+- Fix issues with compressing and decompressing long, nonrepeating inputs
+
+## [0.0.1] - 2023-01-23
+### Added
+- Initial port of lz-string to Rust
+- Add `compress`/`decompress` functions
+- Add `compress_str`/`compress_str` functions
+- Add `compress_uri`/`compress_uri` functions
+- Add utility `str_to_u32_vec` function
+
+[0.1.0]: https://github.com/adumbidiot/lz-str-rs/releases/tag/0.1.0