🚚(frontend) move previous app to mardownPDF app

We will start an monorepo archi, we move the previous
app to a new folder called mardownPDF.

src/frontend/package.json

@@ -1,38 +0,0 @@
-{
-  "name": "frontend",
-  "private": true,
-  "version": "0.0.0",
-  "type": "module",
-  "scripts": {
-    "dev": "vite",
-    "build": "tsc && vite build",
-    "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
-    "preview": "vite preview",
-    "build-theme": "cunningham -g css -o src"
-  },
-  "dependencies": {
-    "@hookform/resolvers": "3.3.4",
-    "@openfun/cunningham-react": "2.4.0",
-    "@tanstack/react-query": "5.17.10",
-    "@tanstack/react-query-devtools": "5.17.10",
-    "axios": "1.6.5",
-    "downloadjs": "1.4.7",
-    "react": "18.2.0",
-    "react-dom": "18.2.0",
-    "react-hook-form": "7.49.3",
-    "yup": "1.3.3"
-  },
-  "devDependencies": {
-    "@types/react": "18.2.47",
-    "@types/react-dom": "18.2.18",
-    "@typescript-eslint/eslint-plugin": "6.18.1",
-    "@typescript-eslint/parser": "6.18.1",
-    "@vitejs/plugin-react": "4.2.1",
-    "eslint": "8.56.0",
-    "eslint-plugin-react-hooks": "4.6.0",
-    "eslint-plugin-react-refresh": "0.4.5",
-    "sass": "1.69.7",
-    "typescript": "5.3.3",
-    "vite": "5.0.11"
-  }
-}