chore(changelog): Add CHANGELOG.md for tracking releases

This CHANGELOG includes release notes for versions v0.1.0 and v0.2.0, detailing features, bug fixes, refactors, and chores.

CHANGELOG.md

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+# CHANGELOG
+
+## [v0.2.0](https://github.com/tab/cmt/releases/tag/v0.2.0)
+
+### Features
+- **feat(loader):** Add loading indicator functionality
+
+### Bug Fixes
+- **fix(cmd/main):** Handle error when reading user response.
+
+### Refactor
+- **refactor(loader):** Modified Start and Stop methods for the Loader to ensure safe concurrent access.
+
+### Chore
+- **chore(github/workflows):** Add Golang CI linter to checks workflow.%
+- **chore(github/workflows):** Add Dependabot configuration file for version updates.
+- **chore(deps):** Bump codecov/codecov-action from 3 to 4.
+
+## [v0.1.0](https://github.com/tab/cmt/releases/tag/v0.1.0)
+
+### Features
+- **feat(core):** Add optional prefix for commit messages with '--prefix' flag
+- **feat(github/workflows):** Add GitHub Actions workflow for master branch
+- **feat(github/workflows):** Add release workflow for building and distributing binaries
+
+### Refactor
+- **refactor(flags):** Update PrintVersion and PrintHelp methods to accept io.Writer for output
+
+### Chore
+- **chore(github/workflows):** Add release workflow for building and distributing binaries