feat: 添加 ESLint 配置并优化代码风格，移除未使用的功能

.vscode/settings.json

@@ -9,5 +9,10 @@
       ],
       "url": "https://json.schemastore.org/electron-builder"
     }
+  ],
+  "eslint.validate": [
+    "javascript",
+    "javascriptreact",
+    "vue"
   ]
 }