refactor: move app to monorepo

frontend/app/tsconfig.json

@@ -0,0 +1,18 @@
+{
+  "extends": "./node_modules/@openstapps/configuration/tsconfig.json",
+  "compileOnSave": false,
+  "compilerOptions": {
+    "baseUrl": "./",
+    "outDir": "./dist/out-tsc",
+    "declaration": false,
+    "emitDecoratorMetadata": true,
+    "strictPropertyInitialization": false,
+    "resolveJsonModule": true,
+    "downlevelIteration": true,
+    "importHelpers": true,
+    "module": "es2020",
+    "target": "es2017",
+    "lib": ["es2020", "dom"]
+  },
+  "exclude": ["**/*.spec.ts"]
+}