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

test-shared/build.gradle

@@ -0,0 +1,30 @@
+
+android {
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    namespace 'io.novafoundation.nova.test_shared'
+}
+
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    implementation kotlinDep
+
+    implementation project(':common')
+
+    api jUnitDep
+    api mockitoDep
+
+    api wsDep
+
+    api gsonDep
+    api substrateSdkDep
+
+    api coroutinesTestDep
+}