docs: added initial changelog (#45)

CHANGELOG.md

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+# Change Log
+
+## [v0.1.0] - 2024-04-21
+- Initial release of `CAMGO`.
+- Added basic functionality.
+- Clean Architecture layers: 
+    - Entity 
+    - Controller with handling errors unit and auto-set routes.
+    - Service
+    - Repository
+- Handy `deployments` through make statements.
+    - `Docker` Containerized environment
+    - Application: build, run, stop, remove, and clean
+    - Mocks generation
+    - Postgresql database
+    - PgAdmin database GUI
+- GitHub Actions:
+    - Workflows:
+        - CI
+        - Release
+    - Dependabot
+- Implemented database migrations.
+- `Viper` configuration through environment variables.
+- `PostgreSQL` database support.
+- `ZeroLog` logger support
+- `Chi` router support
+- `Mockery` automate mocks generations.