Add TypeScript types for turndown library

- Added @types/turndown dev dependency for production build
- Fixes TypeScript compilation errors during build process

package-lock.json

@@ -25,6 +25,7 @@
         "@tauri-apps/cli": "^2",
         "@types/react": "^19.1.8",
         "@types/react-dom": "^19.1.6",
+        "@types/turndown": "^5.0.6",
         "@vitejs/plugin-react": "^4.6.0",
         "autoprefixer": "^10.4.27",
         "postcss": "^8.5.8",
@@ -1978,6 +1979,13 @@
         "@types/react": "^19.2.0"
       }
     },
+    "node_modules/@types/turndown": {
+      "version": "5.0.6",
+      "resolved": "https://registry.npmjs.org/@types/turndown/-/turndown-5.0.6.tgz",
+      "integrity": "sha512-ru00MoyeeouE5BX4gRL+6m/BsDfbRayOskWqUvh7CLGW+UXxHQItqALa38kKnOiZPqJrtzJUgAC2+F0rL1S4Pg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/use-sync-external-store": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/@types/use-sync-external-store/-/use-sync-external-store-0.0.6.tgz",

package.json

@@ -27,6 +27,7 @@
     "@tauri-apps/cli": "^2",
     "@types/react": "^19.1.8",
     "@types/react-dom": "^19.1.6",
+    "@types/turndown": "^5.0.6",
     "@vitejs/plugin-react": "^4.6.0",
     "autoprefixer": "^10.4.27",
     "postcss": "^8.5.8",