[WIP] Add alias for shortening `git logg --stat`
Add alias for showtening `git logg --stat`

```
diff --git a/.gitconfig b/.gitconfig
index d155168..ba452ec 100644
--- a/.gitconfig
+++ b/.gitconfig
@@ -17,6 +17,8 @@
   # log関連
   logg = !git log --pretty=format:'%C(yellow)%h%Creset %<(70,trunc)%s %<(20,trunc)%C(blue)%an %C(green)%ar%Creset' --reverse master..`git symbolic-ref HEAD`

+  lstat = !git logg --stat
+
   # log + graph
   graph = log --graph --pretty=format:'%C(yellow)%h%C(cyan)%d%Creset %s %C(white)- %an, %ar%Creset'
```
Merge pull request #24 from kazu634/git-log-stat

Add alias for shortening `git logg --stat`