feat: introduce CHANGELOG.md for version tracking

- Added CHANGELOG.md to document version changes, improvements, and updates for better project version tracking and release management.

CHANGELOG.md

@@ -0,0 +1,18 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased](https://github.com/olivierlacan/keep-a-changelog/compare/v1.0.0...HEAD)
+
+**Added**
+
+- CHANGELOG.md
+
+## [v1.0.0](https://github.com/rajtilakjee/keepyourmouthshut/releases/tag/v1.0.0) - 2023-11-14
+
+**Added**
+
+- Streamlit implementation
+- Docker image