docs: add CHANGELOG and use it as release description in CI

.drone.yml

@@ -45,11 +45,13 @@ steps:
     commands:
       - apk add --no-cache curl jq
       - |
+        # Extract changelog entry for this tag (content between this and previous ## heading)
+        BODY=$(awk "/^## \[${DRONE_TAG}\]/{found=1; next} found && /^## \[/{exit} found{print}" CHANGELOG.md)
         RELEASE_ID=$(curl -fsSL -X POST \
           -H "Authorization: token $GITEA_TOKEN" \
           -H "Content-Type: application/json" \
           "https://git.cincoeuzebio.com/api/v1/repos/cinco/Tmuxido/releases" \
-          -d "{\"tag_name\":\"$DRONE_TAG\",\"name\":\"$DRONE_TAG\",\"body\":\"Release $DRONE_TAG\"}" \
+          -d "{\"tag_name\":\"$DRONE_TAG\",\"name\":\"$DRONE_TAG\",\"body\":$(echo "$BODY" | jq -Rs .)}" \
           | jq -r .id)
         for ASSET in tmuxido-x86_64-linux tmuxido-aarch64-linux; do
           curl -fsSL -X POST \

CHANGELOG.md

@@ -0,0 +1,29 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
+
+## [0.2.1] - 2026-02-28
+
+### Added
+- Drone CI pipeline (`ci`) that runs `cargo fmt --check`, `cargo clippy`, and `cargo test` on every push and pull request
+
+## [0.2.0] - 2026-02-28
+
+### Added
+- Unit tests for `cache`, `session`, and `config` modules
+- Integration tests for scan, session config, and cache lifecycle
+
+### Changed
+- Refactored business logic into `lib.rs` for better testability; `main.rs` is now a thin entrypoint
+
+## [0.1.1] - 2026-02-28
+
+### Fixed
+- Removed personal path references from default configuration and examples
+
+## [0.1.0] - 2026-02-28
+
+### Added
+- Initial release of tmuxido