Replace submodules with full folder contents

fuse-starter-v20.0.0/tsconfig.app.json

@@ -0,0 +1,10 @@
+/* To learn more about this file see: https://angular.io/config/tsconfig. */
+{
+    "extends": "./tsconfig.json",
+    "compilerOptions": {
+        "outDir": "./out-tsc/app",
+        "types": []
+    },
+    "files": ["src/main.ts"],
+    "include": ["src/**/*.d.ts"]
+}