添加繁体转简体，简体转繁体功能

web/package-lock.json

@@ -14,6 +14,7 @@
         "framer-motion": "^12.38.0",
         "hls.js": "^1.5.11",
         "lucide-react": "^0.379.0",
+        "opencc-js": "^1.4.2",
         "qrcode": "^1.5.4",
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
@@ -3427,6 +3428,12 @@
         "node": ">= 6"
       }
     },
+    "node_modules/opencc-js": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/opencc-js/-/opencc-js-1.4.2.tgz",
+      "integrity": "sha512-EdcspgdROiCCZDM+jZR6Pa670xW+EW2QhctPBQ8gRjg6lrx4IHEl+2s+kt5izk/TkxVRgdWuFgaGkaEdIUfdaw==",
+      "license": "MIT AND Apache-2.0"
+    },
     "node_modules/optionator": {
       "version": "0.9.4",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.4.tgz",