feat: Android client v0.4.0 — enroll, UI, ack/resolve, FCM

Kotlin Compose app: подключение по коду SAC, списки и карточки,
действия оператора, биометрия, push и deep links.

Co-authored-by: Cursor <cursoragent@cursor.com>

build.gradle.kts

@@ -0,0 +1,7 @@
+plugins {
+    id("com.android.application") version "8.7.3" apply false
+    id("org.jetbrains.kotlin.android") version "2.0.21" apply false
+    id("org.jetbrains.kotlin.plugin.compose") version "2.0.21" apply false
+    id("org.jetbrains.kotlin.plugin.serialization") version "2.0.21" apply false
+    id("com.google.gms.google-services") version "4.4.2" apply false
+}