docs: Comprehensive README update with new features and architecture details

- Add extensive documentation for offline mode, sync, collections, and dashboard features
- Document new Material You theming, OLED mode, and widget capabilities
- Include detailed sections on metadata extraction, Markdown editor, and import/export
- Update technology stack versions (Kotlin 2.0.0, Hilt 2.51.1, Retrofit 2.11.0, Room 2.6.1)
- Simplify installation and compilation instructions
- Add user guide with first-time setup and

app/build.gradle.kts

@@ -1,15 +1,11 @@
-
-
-
-
 import java.util.Properties
 
 plugins {
-
     alias(libs.plugins.android.application)
     alias(libs.plugins.jetbrains.kotlin.android)
     alias(libs.plugins.hilt)
     alias(libs.plugins.ksp)
+    alias(libs.plugins.kotlin.serialization)
 }
 
 android {
@@ -96,6 +92,7 @@ dependencies {
     implementation(libs.androidx.material3)
     implementation("androidx.compose.material:material-icons-extended")
     implementation(libs.androidx.compose.material)
+    implementation(libs.coil.compose)
     
     // Navigation
     implementation(libs.androidx.navigation.compose)
@@ -119,6 +116,9 @@ dependencies {
     implementation(libs.moshi)
     ksp(libs.moshi.kotlin.codegen)
     
+    // Kotlin Serialization
+    implementation(libs.kotlinx.serialization.json)
+    
     // Security
     implementation(libs.androidx.security.crypto)
     
@@ -127,6 +127,23 @@ dependencies {
     
     // Markdown
     implementation(libs.compose.markdown)
+    
+    // Room
+    implementation(libs.androidx.room.runtime)
+    implementation(libs.androidx.room.ktx)
+    implementation(libs.androidx.room.paging)
+    ksp(libs.androidx.room.compiler)
+    
+    // WorkManager
+    implementation(libs.androidx.work.runtime)
+    implementation(libs.androidx.work.hilt)
+    ksp(libs.androidx.work.hilt.compiler)
+    
+    // DataStore
+    implementation(libs.androidx.datastore)
+    
+    // JSoup for HTML parsing (metadata extraction)
+    implementation(libs.jsoup)
 
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)