Initial commit: LCK Control Android app

Multi-module Android app (app/shared/sdk) with backend-driven auth,
Quest Platform SDK login, YouTube/Twitch OAuth linking, stream
management via AIDL service. Compose UI with Hilt DI.

shared/build.gradle.kts

@@ -0,0 +1,25 @@
+plugins {
+    alias(libs.plugins.android.library)
+}
+
+android {
+    namespace = "com.omixlab.lckcontrol.shared"
+    compileSdk = 36
+
+    defaultConfig {
+        minSdk = 32
+    }
+
+    buildFeatures {
+        aidl = true
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+}
+
+dependencies {
+    implementation(libs.androidx.core.ktx)
+}