fireapp add Extension

加入 breakpoint

1. 下載 breakpoint
2. 將下載的 breakpoint 檔案解壓縮後、更名為 breakpoint
3. 啟動 fireapp > 點 fireapp icon > open Extension folder 選項

4. 把 breakpoint 丟進去那個資料夾 (.compass/extensions)

5. 下載 breakpoint: https://github.com/at-import/breakpoint

6. breakpoint document: http://breakpoint-sass.com/