feat: add file delete, change ui theme

Author: json-q

biome.json

@@ -89,14 +89,14 @@
   "javascript": {
     "jsxRuntime": "reactClassic",
     "formatter": {
-      "jsxQuoteStyle": "double",
+      "jsxQuoteStyle": "single",
       "quoteProperties": "asNeeded",
       "trailingCommas": "all",
       "semicolons": "always",
       "arrowParentheses": "always",
       "bracketSpacing": true,
       "bracketSameLine": false,
-      "quoteStyle": "single",
+      "quoteStyle": "double",
       "attributePosition": "auto"
     }
   },

package.json

@@ -20,13 +20,15 @@
   "dependencies": {
     "@babel/standalone": "^7.27.0",
     "@monaco-editor/react": "^4.7.0",
+    "@radix-ui/react-alert-dialog": "^1.1.10",
     "@radix-ui/react-slot": "^1.2.0",
     "@typescript/ata": "^0.9.7",
     "allotment": "^1.20.3",
     "lodash-es": "^4.17.21",
     "lucide-react": "^0.488.0",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
+    "sonner": "^2.0.3",
     "tw-animate-css": "^1.2.5"
   },
   "devDependencies": {