feat: Enhance TTS player functionality and UI

- Added resume functionality to TTS player when paused.
- Display voice name or language in TTS player UI.
- Improved error handling in reader provider with debug messages.
- Updated TTS service to configure Vietnamese voice and handle platform-specific audio settings.
- Removed wakelock dependency and related code.
- Fixed search screen error handling.
- Updated settings screen to navigate to home after sign out.
- Improved splash screen with timer management.
- Enhanced main app error handling with logging.
- Removed unused package_info_plus and wakelock_plus dependencies.
- Added environment variable support for mobile runtime.
- Integrated Google Sign-In configuration for Android.
- Created logging observer for Riverpod providers.
- Added scripts for environment setup and Google Sign-In validation.

pubspec.lock

@@ -480,22 +480,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
-  package_info_plus:
-    dependency: transitive
-    description:
-      name: package_info_plus
-      sha256: f69da0d3189a4b4ceaeb1a3defb0f329b3b352517f52bed4290f83d4f06bc08d
-      url: "https://pub.dev"
-    source: hosted
-    version: "9.0.0"
-  package_info_plus_platform_interface:
-    dependency: transitive
-    description:
-      name: package_info_plus_platform_interface
-      sha256: "202a487f08836a592a6bd4f901ac69b3a8f146af552bbd14407b6b41e1c3f086"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.2.1"
   path:
     dependency: "direct main"
     description:
@@ -797,22 +781,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "15.0.2"
-  wakelock_plus:
-    dependency: "direct main"
-    description:
-      name: wakelock_plus
-      sha256: "8b12256f616346910c519a35606fb69b1fe0737c06b6a447c6df43888b097f39"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.5.1"
-  wakelock_plus_platform_interface:
-    dependency: transitive
-    description:
-      name: wakelock_plus_platform_interface
-      sha256: "24b84143787220a403491c2e5de0877fbbb87baf3f0b18a2a988973863db4b03"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.4.0"
   web:
     dependency: transitive
     description: