refactor: restructure to monorepo with backends and apiTest

- Move web/backend to backends/potter-api
- Move web/frontend to backends/potter-api/frontend
- Add root package.json with npm workspaces
- Update README.md with monorepo navigation
- Update .github/workflows/api-tests.yml for dynamic test discovery
- Update bruno_test_scenario.md paths
- Fix .gitignore to allow JSON data files
- Add three new AI tests in apiTest/PotterAPI/AI/

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

backends/potter-api/frontend/package.json

@@ -0,0 +1,49 @@
+{
+  "name": "frontend",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "serve": "vue-cli-service serve",
+    "build": "vue-cli-service build",
+    "lint": "vue-cli-service lint",
+    "start": "npm run serve"
+  },
+  "dependencies": {
+    "axios": "^0.27.0",
+    "core-js": "^3.6.4",
+    "url": "^0.11.0",
+    "vue": "^2.6.14",
+    "vue-router": "^3.5.3"
+  },
+  "devDependencies": {
+    "@babel/eslint-parser": "^7.5.4",
+    "@vue/cli-plugin-babel": "^5.0.4",
+    "@vue/cli-plugin-eslint": "~5.0.4",
+    "@vue/cli-service": "~5.0.4",
+    "eslint": "^8.14.0",
+    "eslint-plugin-vue": "^8.7.1",
+    "sass": "^1.50.1",
+    "sass-loader": "^12.6.0",
+    "vue-template-compiler": "^2.6.11",
+    "webpack": "^5.72.0"
+  },
+  "eslintConfig": {
+    "root": true,
+    "env": {
+      "node": true
+    },
+    "extends": [
+      "plugin:vue/essential",
+      "eslint:recommended"
+    ],
+    "parserOptions": {
+      "parser": "@babel/eslint-parser"
+    },
+    "rules": {}
+  },
+  "browserslist": [
+    "> 1%",
+    "last 2 versions",
+    "not dead"
+  ]
+}