Move all gradle files into folder app

Decouple java and native projects

app/settings.gradle.kts

@@ -0,0 +1,11 @@
+@Suppress("UnstableApiUsage")
+dependencyResolutionManagement {
+    repositoriesMode = RepositoriesMode.FAIL_ON_PROJECT_REPOS
+    repositories {
+        google()
+        mavenCentral()
+        maven("https://jitpack.io")
+    }
+}
+rootProject.name = "Magisk"
+include(":apk", ":core", ":shared", ":stub", ":test")