Setup your wiki using Gollum

refer to:   https://github.com/gollum/gollum/issues/6

官方文档写的不好. 步骤需要:

1. $ gem install gollum

2. $ cd <your wiki folder> 

3. $ git init .

4. $ gollum  

然后我们到 localhost:4567 就可以访问了.