Add injector

loader/build.gradle.kts

@@ -0,0 +1,17 @@
+plugins {
+    id("com.android.library")
+}
+
+android {
+    buildFeatures {
+        prefab = true
+    }
+
+    externalNativeBuild.ndkBuild {
+        path("src/Android.mk")
+    }
+}
+
+dependencies {
+    implementation("dev.rikka.ndk.thirdparty:cxx:1.2.0")
+}