Initial commit: Pezkuwi Wallet Android

Security hardened release:
- Code obfuscation enabled (minifyEnabled=true, shrinkResources=true)
- Sensitive files excluded (google-services.json, keystores)
- Branch.io key moved to BuildConfig placeholder
- Updated dependencies: OkHttp 4.12.0, Gson 2.10.1, BouncyCastle 1.77
- Comprehensive ProGuard rules for crypto wallet
- Navigation 2.7.7, Lifecycle 2.7.0, ConstraintLayout 2.1.4

feature-xcm/impl/build.gradle

@@ -0,0 +1,29 @@
+apply plugin: 'kotlin-parcelize'
+
+android {
+    namespace 'io.novafoundation.nova.feature_xcm_impl'
+
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation project(':common')
+    implementation project(':runtime')
+    api project(":feature-xcm:api")
+
+    implementation kotlinDep
+
+    implementation substrateSdkDep
+
+    implementation daggerDep
+    ksp daggerCompiler
+
+    testImplementation jUnitDep
+    testImplementation mockitoDep
+}