added vim-gitgutter, and docs

README.md

@@ -140,6 +140,14 @@ YADR会接管你的`~/.gitconfig`, 所以如果你想存储你的git用户名及
   * 微微优化了diff的颜色
   * `gdmb` (g)it (d)elete (m)erged (b)ranches - 删除所有已经合并到当前分支的分支
 
+  * `Gdiff`显示代码前后更改
+
+##### vim-gitgutter
+  * `]h` 下一个hunk(更改点)
+  * `[h` 上一个hunk
+  * `<Leader>ha` 将该hunk放进state区域保存
+  * `<Leader>hr` 撤销该hunk
+
 ### RubyGems
 
 .gemrc被包含了。 再也不用输入`gem install whatever --no-ri --no-rdoc`. `--no-ri --no-rdoc`，因为默认都做好哦了。

vim/settings/vim-gitgutter.vim

@@ -0,0 +1,4 @@
+nmap ]h <Plug>GitGutterNextHunk
+nmap [h <Plug>GitGutterPrevHunk
+nmap <Leader>ha <Plug>GitGutterStageHunk
+nmap <Leader>hr <Plug>GitGutterUndoHunk

vim/settings/yadr-keymap.vim

@@ -188,3 +188,5 @@ nnoremap <leader>p :cprevious<cr>
 
 nnoremap <leader>l :redraw!<cr>
 imap <leader>cb 『』
+nnoremap <leader>n :cn<cr>
+nnoremap <leader>p :cp<cr>

vim/vundles/git.vundle

@@ -1,4 +1,5 @@
 Bundle "gregsexton/gitv"
 Bundle "mattn/gist-vim"
 Bundle "tpope/vim-fugitive"
+Bundle "airblade/vim-gitgutter"
 Bundle "tpope/vim-git"