Initial commit: iOS Build Server

- FastAPI backend with build queue, WebSocket logs, task management
- Vue 3 frontend with build/config/history views
- Xcode project build automation with IPA export
- Fix: initialize build_dir before try block to ensure cleanup on early failure

.gitignore

@@ -0,0 +1,32 @@
+# 环境变量（含密码）
+.env
+
+# Python
+__pycache__/
+*.py[cod]
+*.egg-info/
+.venv/
+
+# 数据库
+*.db
+
+# 日志
+logs/
+
+# 服务器 PID
+.server.pid
+.watchdog.pid
+
+# 前端
+node_modules/
+frontend/node_modules/
+backend/static/
+
+# macOS
+.DS_Store
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo