Initial commit — ferrosonic terminal Subsonic client

Terminal-based Subsonic music client in Rust featuring bit-perfect audio
playback via PipeWire sample rate switching, gapless playback, MPRIS2
desktop integration, cava audio visualizer with theme-matched gradients,
13 built-in color themes with custom TOML theme support, mouse controls,
artist/album browser, playlist support, and play queue management.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,23 @@
+# Build artifacts
+/target/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# Claude Code
+CLAUDE.md
+CLAUDE.md2
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+
+# Config (may contain credentials)
+config.toml