feat: added manatunes as a new app client

assets/apps/manatunes/index.yaml

@@ -0,0 +1,49 @@
+# Navidrome Client App Entry Template
+# See: https://www.navidrome.org/docs/developers/adding-apps/
+
+# Required: Display name of the app
+name: My Awesome App
+
+# Required: Official app website or homepage
+url: https://featurecreeplabs.com/manatunes.html
+
+
+# Required: At least one platform must be specified
+# Platforms can be boolean (true) or object with store URL
+platforms:
+  # Android with Play Store link
+  android:
+    store: https://play.google.com/store/apps/details?id=us.slooker.manatunes
+  # iOS with App Store link
+
+repoUrl: https://github.com/slooker/manatunes-rn
+isOpenSource: true
+
+# Required: API compatibility
+# Use "OpenSubsonic" for modern API support, "Subsonic" for legacy API, or "Navidrome" for Navidrome-specific features
+api: OpenSubsonic
+
+# Required: Brief description (1-2 sentences, max 500 characters)
+# Highlight key features that make this app unique
+description: "!!Manatunes is currently still in closed beta. Go to the site to be added to the Closed Testing!! ManaTunes is a nice mobile app for Android that streams from Navidrome (or any subsonic) library. Browse artists, albums, favorites, and playlists, with full Android Auto support for in-car playback. Supports offline listening via downloaded albums, queue persistence across sessions, and background playback with lock screen controls. iOS is coming soon."
+
+# Required: Screenshots configuration
+screenshots:
+  # Required: Thumbnail image filename (must exist in app folder)
+  thumbnail: thumbnail.webp
+  # Optional: Gallery screenshots (max 5 images)
+  gallery:
+    - screen1.webp
+    - screen2.webp
+    - screen3.webp
+
+# Optional: Set to true if the app is free (no purchase required)
+isFree: true
+
+# Optional: Additional search terms (max 6, not displayed on app card)
+# Use for alternative names, abbreviations, or key features
+keywords:
+  - android auto
+  - offline
+  - favorites
+  - beta testing