feat: Add TorrentEngine library and new API client

- Created complete TorrentEngine library module with LibTorrent4j
  - Full torrent management (add, pause, resume, remove)
  - Magnet link metadata extraction
  - File priority management (even during download)
  - Foreground service with persistent notification
  - Room database for state persistence
  - Reactive Flow API for UI updates

- Integrated TorrentEngine with MainActivity via MethodChannel
  - addTorrent, getTorrents, pauseTorrent, resumeTorrent, removeTorrent
  - setFilePriority for dynamic file selection
  - Full JSON serialization for Flutter communication

- Created new NeoMoviesApiClient for Go-based backend
  - Email verification flow (register, verify, resendCode)
  - Google OAuth support
  - Torrent search via RedAPI
  - Multiple player support (Alloha, Lumex, Vibix)
  - Enhanced reactions system (likes/dislikes)
  - All movies/TV shows endpoints

- Updated dependencies and build configuration
  - Java 17 compatibility
  - Updated Kotlin coroutines to 1.9.0
  - Fixed build_runner version conflict
  - Added torrentengine module to settings.gradle.kts

- Added comprehensive documentation
  - TorrentEngine README with usage examples
  - DEVELOPMENT_SUMMARY with full implementation details
  - ProGuard rules for library

This is a complete rewrite of torrent functionality as a reusable library.

android/torrentengine/build.gradle.kts

@@ -0,0 +1,75 @@
+plugins {
+    id("com.android.library")
+    id("org.jetbrains.kotlin.android")
+    kotlin("kapt")
+}
+
+android {
+    namespace = "com.neomovies.torrentengine"
+    compileSdk = 34
+
+    defaultConfig {
+        minSdk = 21
+        targetSdk = 34
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+    
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+}
+
+dependencies {
+    // Core Android dependencies
+    implementation("androidx.core:core-ktx:1.15.0")
+    implementation("androidx.appcompat:appcompat:1.7.0")
+    implementation("com.google.android.material:material:1.12.0")
+
+    // Coroutines for async operations
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.9.0")
+
+    // Lifecycle components
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.8.7")
+    implementation("androidx.lifecycle:lifecycle-service:2.8.7")
+
+    // Room database for torrent state persistence
+    implementation("androidx.room:room-runtime:2.6.1")
+    implementation("androidx.room:room-ktx:2.6.1")
+    kapt("androidx.room:room-compiler:2.6.1")
+
+    // WorkManager for background tasks
+    implementation("androidx.work:work-runtime-ktx:2.10.0")
+
+    // Gson for JSON parsing
+    implementation("com.google.code.gson:gson:2.11.0")
+
+    // LibTorrent4j - Java bindings for libtorrent
+    implementation("org.libtorrent4j:libtorrent4j:2.1.0-28")
+    implementation("org.libtorrent4j:libtorrent4j-android-arm64:2.1.0-28")
+    implementation("org.libtorrent4j:libtorrent4j-android-arm:2.1.0-28")
+    implementation("org.libtorrent4j:libtorrent4j-android-x86:2.1.0-28")
+    implementation("org.libtorrent4j:libtorrent4j-android-x86_64:2.1.0-28")
+
+    // Testing
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.2.1")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.6.1")
+}