🚀(app-impress) add template builder editor

We add the template builder editor to
the template feature.
It will be used to create and edit templates.

src/frontend/apps/impress/package.json

@@ -19,6 +19,7 @@
     "@blocknote/react": "0.12.4",
     "@openfun/cunningham-react": "2.7.0",
     "@tanstack/react-query": "5.28.14",
+    "grapesjs-blocks-basic": "1.0.2",
     "i18next": "23.10.1",
     "lodash": "4.17.21",
     "luxon": "3.4.4",
@@ -34,6 +35,7 @@
     "zustand": "4.5.2"
   },
   "devDependencies": {
+    "@grapesjs/react": "1.0.0",
     "@svgr/webpack": "8.1.0",
     "@tanstack/react-query-devtools": "5.28.14",
     "@testing-library/jest-dom": "6.4.2",
@@ -48,6 +50,7 @@
     "dotenv": "16.4.5",
     "eslint-config-impress": "*",
     "fetch-mock": "9.11.0",
+    "grapesjs": "0.21.10",
     "jest": "29.7.0",
     "jest-environment-jsdom": "29.7.0",
     "node-fetch": "2.7.0",