refactor: split api into api, api-cli & api-plugin

frontend/app/package.json

@@ -2,7 +2,6 @@
   "name": "@openstapps/app",
   "description": "The generic app tailored to fulfill needs of German universities, written using Ionic Framework.",
   "version": "2.1.0",
-  "type": "module",
   "license": "GPL-3.0-only",
   "author": "Karl-Philipp Wulfert <krlwlfrt@gmail.com>",
   "contributors": [
@@ -163,7 +162,7 @@
     "protractor": "7.0.0",
     "surge": "0.23.1",
     "ts-node": "10.9.1",
-    "typescript": "4.8.4",
+    "typescript": "4.6.4",
     "webpack-bundle-analyzer": "4.7.0"
   },
   "prettier": "@openstapps/prettier-config",