Implement Rust-owned Android Keystore secure storage (#93)

android/app/build.gradle.kts

@@ -53,6 +53,7 @@ dependencies {
     implementation(project(":features"))
     implementation(project(":core"))
     implementation(project(":platform"))
+    implementation(libs.fragment)
     implementation(platform(libs.compose.bom))
     implementation(libs.compose.ui)
     implementation(libs.compose.material3)