Merge pull request #10 from hacking-thursday/tsaikd

add newline at the end when pretty=1
新增實驗性質的 embedded web UI 模組
新增 /sys/class 的列舉功能(as 1st-step prototype)
新增列舉 /sys/dev/ 目錄
新增 /sys/bus/ 列舉
add module: battery
Update .gitignore
Merge pull request #11 from hacking-thursday/mods/battery

add module: battery
Merge pull request #12 from hacking-thursday/gitignore

Update .gitignore
add Dockerfile and build step in README.md