chore: add TokenLens sources and ignore rules

.gitignore

@@ -0,0 +1,31 @@
+# macOS 本地文件
+.DS_Store
+
+# Node / Electron 依赖与产物
+node_modules/
+dist/
+release/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+# SwiftPM / Xcode 构建缓存
+.build/
+NativeTokenLens/.build/
+DerivedData/
+*.xcuserstate
+
+# 原生应用打包产物
+NativeTokenLens/TokenLens.app/
+NativeTokenLens/TokenLens.dmg
+NativeTokenLens/Assets/AppIcon.iconset/
+native-release/
+
+# 本地环境与截图
+.env
+.env.*
+!.env.example
+interface.png
+design/*.png