Initialize Compose Multiplatform project with AGP 9

Set up two-module structure for AGP 9 compatibility:
- composeApp: KMP shared library (com.android.kotlin.multiplatform.library)
- androidApp: Thin Android app shell (com.android.application)

Configure all dependencies in version catalog: CMP 1.11.0, Kotlin 2.3.21,
Ktor 3.4.3, Room 2.8.4, Coil 3.4.0, kotlinx-serialization/datetime/coroutines,
AndroidX Navigation 2.9.2, Lifecycle 2.10.0, DataStore 1.2.1, WorkManager 2.11.1.

Co-Authored-By: Claude Opus 4.6 (1M context)

Signed-off-by: Avinal Kumar <avinal.xlvii@gmail.com>

build.gradle.kts

@@ -0,0 +1,10 @@
+plugins {
+    alias(libs.plugins.android.application) apply false
+    alias(libs.plugins.android.kmp.library) apply false
+    alias(libs.plugins.kotlin.multiplatform) apply false
+    alias(libs.plugins.kotlin.serialization) apply false
+    alias(libs.plugins.compose.multiplatform) apply false
+    alias(libs.plugins.compose.compiler) apply false
+    alias(libs.plugins.ksp) apply false
+    alias(libs.plugins.room) apply false
+}