chore(electron): 移除Electron相关配置和构建产物

- 删除了Electron主进程文件 dist-electron/main.js
- 在.gitignore中添加了dist-electron和docs目录的忽略规则
- 清理了Electron相关的构建配置和开发资源引用
- 移除了Electron应用的窗口创建和路由加载逻辑
- 删除了对VITE开发服务器URL的条件判断和处理
- 去除了Electron菜单栏设置及相关图标引用

.gitignore

@@ -11,6 +11,8 @@ CLAUDE.md
 node_modules
 dist
 dist-ssr
+dist-electron
+docs
 *.local
 
 # Editor directories and files

dist-electron/main.js

@@ -1,15 +0,0 @@
-import { BrowserWindow, app } from "electron";
-import path, { dirname } from "node:path";
-import { fileURLToPath } from "node:url";
-app.whenReady().then(() => {
-	const __dirname = dirname(fileURLToPath(import.meta.url));
-	const win = new BrowserWindow({
-		title: "OGame",
-		icon: path.join(__dirname, "../public/favicon.ico"),
-		width: 1200,
-		height: 800
-	});
-	win.setMenu(null);
-	if (process.env.VITE_DEV_SERVER_URL) win.loadURL(process.env.VITE_DEV_SERVER_URL);
-	else win.loadFile("docs/index.html");
-});