添加YCM插件的使用说明

Author: wmatrix

.vimrc

@@ -98,6 +98,9 @@
     " REQUIREMENTS: See :h syntastic-intro
     Plug 'vim-syntastic/syntastic'
 
+    " YouCompleteMe completer,uncomment this or put it in ~/.vimrc.plugins
+    " Plug 'Valloric/YouCompleteMe'
+    
     " Functions, class data etc.
     " depends on either exuberant-ctags or universal-ctags
     if executable('ctags-exuberant') || executable('ctags')
@@ -641,7 +644,7 @@
         augroup END
     """ }}}
     """ NERDTree Plugin {{{
-        autocmd vimenter * NERDTree
+        " autocmd vimenter * NERDTree
         autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
     """ }}}
 """ }}}

customized.md

@@ -0,0 +1,17 @@
+## use YouCompleteMe
+
+1. 通过:PlugInstall成功之后,还需要进行编译才能使用,编译需要：cmake,python3-dev,make等包
+
+    对Ubuntu 16.04： sudo apt install build-essential cmake3 python3-dev
+
+    添加C-like语言的补全,执行：cd ~/.vim/bundle/YouCompleteMe;./install.py
+    --clang-completer
+
+    默认补全: python3 install.py
+
+
+2. C-like语言的语义补全和check，需要有编译数据库
+
+    对于make构建工具,
+    安装[bear](https://github.com/rizsotto/Bear),然后在项目构建目录下执行：bear
+    make 来生成编译数据库.