pretty tool from wenzhe blog
rename post name
remove test file
Revert "remove test file"

This reverts commit 8e18d7838dfbe13274f0156c6839575b4f019c2f.
revert format
set format
reset line end format
reset format 2
set format
set format 3
set format 4
set format -5
fix format 5
Revert "fix format 5"

This reverts commit 15ce0af6a4d872ca5d73ba43ac6dc120fa816afb.
Revert "set format -5"

This reverts commit 54c89722d2db6b751b59e2f0f40a904daf1a6d17.
fix format 6
fix 8
remove blog
pretty tool from wenzhe
indention