changed yaml to json and added types for each file

package.json

@@ -5,18 +5,21 @@
   "type": "module",
   "scripts": {
     "dev": "vite",
-    "build": "tsc -b && vite build",
+    "copy-yaml": "mkdir -p public/data/database && cp src/assets/database/*.yaml public/data/database/",
+    "build": "npm run copy-yaml && tsc -b && vite build",
     "lint": "eslint .",
     "preview": "vite preview"
   },
   "dependencies": {
     "@tailwindcss/vite": "^4.1.11",
+    "js-yaml": "^4.1.0",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "tailwindcss": "^4.1.11"
   },
   "devDependencies": {
     "@eslint/js": "^9.29.0",
+    "@types/js-yaml": "^4.0.9",
     "@types/react": "^19.1.8",
     "@types/react-dom": "^19.1.6",
     "@vitejs/plugin-react": "^4.5.2",