init: proyecto Flutter PluriWave — radio mundial con ecualizador

- Flutter create con org es.freetimelab
- pubspec.yaml con dependencias core (just_audio, audio_service, provider, sqflite)
- README con features y stack
- Assets preparados

android/app/src/debug/AndroidManifest.xml

@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>