docs: update README and CHANGELOG for v1.4.0

CHANGELOG.md

@@ -5,47 +5,79 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.4.0] - 2026-03-01
+
+### Added
+
+- Automatic database migration from `~/.godeez/tracks.db` to `~/Music/GoDeez/.tracks.db`.
+
+### Changed
+
+- Configuration now uses `DEEZER_ARL` environment variable (replaces `config.toml`).
+- Database moved from `~/.godeez/tracks.db` to `~/Music/GoDeez/.tracks.db`.
+- Show warning count in download summary.
+
+### Removed
+
+- `config.toml` configuration file and `~/.godeez` directory.
+- `--config` flag from CLI.
+- `secret_key` and `output_dir` configuration options.
+- Watcher feature (`watch` subcommands).
+
+### Fixed
+
+- Track number zero-padding for correct file sorting.
+
 ## [1.3.0] - 2025-09-11
 
 ### Added
+
 - Add new `track` command to download individual songs.
 - Add `--genre` flag to fetch and embed genre information into file metadata tags.
 
 ### Fixed
+
 - Handle empty media resources gracefully to prevent crashes.
 
 ## [1.2.0] - 2025-08-18
 
 ### Added
+
 - Add new `artist` command to download an artist’s top tracks.
 - Add `--limit` flag for the `artist` command to restrict the number of tracks.
 - Add `--strict` flag for downloads: fail if the requested quality is unavailable.
 
 ### Changed
+
 - Set default download quality to **MP3 320kbps**.
 
 ### Removed
+
 - Remove `--quality=best` option. Fallback to lower quality is now the default behavior; use the `--strict` flag to prevent fallback.
 
 ### Fixed
+
 - Handle error when `SNG_CONTRIBUTORS` metadata is empty.
 
 ## [1.1.1] - 2025-06-16
 
 ### Fixed
+
 - Restore ability to download tracks without a Deezer Premium account (limited to **MP3 128kbps** for free accounts).
 
 ## [1.1.0] - 2025-05-19
 
 ### Added
+
 - Support downloading full albums and playlists with more than 40 tracks (previous limit removed).
 - Fetch and embed **BPM** and **musical key** into metadata tags.
 - Add local **database system** (`tracks.db`) to track downloaded files and avoid re-downloading, even if files are renamed or moved.
 - Improve CLI **output formatting** for a cleaner and more informative user experience.
 
 ### Changed
+
 - Replace the `godeez` file in the user’s home directory with a `.godeez/` directory, which now stores both `config.toml` and `tracks.db`.  
-👉 If upgrading, move your existing config into `.godeez/config.toml`.
+  👉 If upgrading, move your existing config into `.godeez/config.toml`.
 - Simplify `config.toml`: remove the need for `iv` and `license_token`.
 - Automatically delete corrupted or incomplete files on download failure.
 
@@ -53,4 +85,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Initial release of **GoDeez** with basic Deezer album and playlist downloading capabilities.
+- Initial release of **GoDeez** with basic Deezer album and playlist downloading capabilities.