fix: маршруты, медиа и Worker; Android APK и статический ARM64 CLI (#60)

* fix: address routing, media, worker and platform issues

* ci: use available Android tools and verify Windows CLI artifact

* fix(gui): return a result from asynchronous stop command

* test(android): verify installed APK and proxy lifecycle on emulator

* fix(media): use native MTProto for CDN203 and retain recent diagnostics

* Fix owned WebSocket split after transport boxing

* Clarify CDN transport and connection status guarantees

* Recognize accessible Android power button labels

* chore(release): prepare 2.0.0-beta.15 with verified draft publication

---------

Co-authored-by: babin <Thartewerner536e@engineer.com>

gen/android/build.gradle.kts

@@ -0,0 +1,22 @@
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath("com.android.tools.build:gradle:8.11.0")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:2.1.21")
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+tasks.register("clean").configure {
+    delete("build")
+}
+