Updated packages, rewrote player = gapless playback, faster loading

pubspec.yaml

@@ -39,10 +39,10 @@ dependencies:
   connectivity: ^0.4.8+6
   intl: ^0.16.1
   filesize: ^1.0.4
-  fluttertoast: ^4.0.1
+  fluttertoast: ^7.0.2
   palette_generator: ^0.2.3
   flutter_material_color_picker: ^1.0.5
-  flutter_inappwebview: ^3.3.0+3
+  flutter_inappwebview: ^4.0.0
   custom_navigator: ^0.3.0
   language_pickers: ^0.2.0+1
   country_pickers: ^1.3.0
@@ -51,16 +51,18 @@ dependencies:
   flutter_local_notifications: ^1.4.4+1
   collection: ^1.14.12
   disk_space: ^0.0.3
-  audio_service: ^0.11.0
   path_provider_ex: ^1.0.1
   random_string: ^2.0.1
   async: ^2.4.1
   html: ^0.14.0+3
   flutter_screenutil: ^2.3.0
   marquee: ^1.5.2
+  flutter_cache_manager: ^1.4.1
+  cached_network_image: ^2.2.0+1
 
+  audio_service: ^0.13.0
   just_audio:
-    git: https://notabug.org/exttex/just_audio.git
+    path: ./just_audio
 
   # cupertino_icons: ^0.1.3