docs: add v0.3.2 release notes (#10)

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: trkim <trkim@trkim>
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

Author: 3 people

docs/releases/v0.3.2.md

@@ -0,0 +1,16 @@
+# MediaFloat v0.3.2
+
+MediaFloat v0.3.2 introduces artist-title display and a new gesture for quick widget control.
+
+## Highlights
+
+- **Artist-Title Display**: The overlay now shows "Artist - Title" when artist information is available from the media session.
+- **Triple-Tap Toggle**: Added a setting to show/hide the widget by triple-tapping the drag handle.
+- **Settings UI**: Added `TripleTapToggleCard` to the Settings screen for easy access to the new gesture.
+- **Bug Fixes**: Fixed unit test compilation errors related to the new `artist` parameter.
+
+## Validation
+
+- `./gradlew :app:testDebugUnitTest` passed
+- `./gradlew :app:assembleDebug` passed
+- Verified on AVD (`Medium_Phone_API_36.0`)