feat：新增文件工具箱

- 本地查找
- 文件树状图
- Diff
- 文件加密
- 批量修改文件名
- 文件格式转换

upload-file-frontend/package.json

@@ -11,12 +11,15 @@
     "axios": "^1.8.1",
     "axios-extra": "^0.0.8",
     "core-js": "^3.8.3",
+    "diff-match-patch": "^1.0.5",
+    "diff2html": "^3.4.51",
     "element-ui": "^2.15.14",
     "os-browserify": "^0.3.0",
     "pdfjs-dist": "^5.0.375",
     "promise-queue-plus": "^1.2.2",
     "spark-md5": "^3.0.2",
     "vue": "^2.6.14",
+    "vue-diff": "^1.2.4",
     "vue-router": "^3.5.1",
     "vue-virtual-scroller": "^1.1.2",
     "vuex": "^3.6.2"