修改错误的地方
翻译索引文件

Signed-off-by: DaSea <dhf0214@126.com>
Create index.md

索引界面
Merge branch 'master' of https://github.com/DaSea/exvim.github.io
Create install.md

添加安装指引文件
Merge branch 'master' of https://github.com/DaSea/exvim.github.io
翻译为中文
Merge pull request #5 from DaSea/master

添加index.md，install.md