Use NPM for packages: bootstrap, jquery, tinymce

package.json

@@ -1,8 +1,16 @@
 {
   "scripts": {
-    "cypress:open": "cypress open"
+    "postinstall": "node ./npm-post-install.js"
   },
   "devDependencies": {
     "cypress": "^12.12.0"
+  },
+  "dependencies": {
+    "@tinymce/tinymce-jquery": "^2.1.0",
+    "bootstrap": "^4.6.2",
+    "fs-extra": "^11.2.0",
+    "jquery": "^3.7.1",
+    "jquery-ui": "^1.13.2",
+    "tinymce": "^6.8.3"
   }
 }