Port hanjianl's wiki page

Neovim.md

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+## [[Getting started]]
+
+## Install [LanguageClient-neovim](https://github.com/autozimu/LanguageClient-neovim)
+Need [vim-plug](https://github.com/junegunn/vim-plug#unix-1)
+
+### /home/YOUR_USERNAME/.config/nvim/init.vim
+```vim
+" LanguageClient-neovim 
+call plug#begin('~/.local/share/nvim/plugged')
+Plug 'autozimu/LanguageClient-neovim', {
+    \ 'branch': 'next',
+    \ 'do': 'bash install.sh',
+    \ }
+
+" Multi-entry selection UI. FZF
+Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
+Plug 'junegunn/fzf.vim'
+
+call plug#end()
+```
+
+### bash
+```bash
+nvim +PlugInstall +UpdateRemotePlugins +qa
+```
+
+### /home/YOUR_USERNAME/.config/nvim/settings.json
+```json
+{
+        "initializationOptions": {
+                "cacheDirectory": "/tmp/ccls"
+        }
+}
+```
+
+### /home/YOUR_USERNAME/.config/nvim/init.vim
+```vim
+let g:LanguageClient_serverCommands = {
+    \ 'cpp': ['ccls', '--log-file=/tmp/cq.log'],
+    \ 'c': ['ccls', '--log-file=/tmp/cq.log'],
+    \ } 
+
+let g:LanguageClient_loadSettings = 1 " Use an absolute configuration path if you want system-wide settings 
+let g:LanguageClient_settingsPath = '/home/YOUR_USERNAME/.config/nvim/settings.json'
+set completefunc=LanguageClient#complete
+set formatexpr=LanguageClient_textDocument_rangeFormatting()
+
+nnoremap <silent> gh :call LanguageClient_textDocument_hover()<CR>
+nnoremap <silent> gd :call LanguageClient_textDocument_definition()<CR>
+nnoremap <silent> gr :call LanguageClient_textDocument_references()<CR>
+nnoremap <silent> gs :call LanguageClient_textDocument_documentSymbol()<CR>
+nnoremap <silent> <F2> :call LanguageClient_textDocument_rename()<CR>
+```
+
+### In your Project Directory NEED compile_commands.json
+
+[[compile_commands.json]]
+
+```bash
+bear make #If you like Makefile
+```
+
+or
+
+```bash
+bear gcc x.c -o x
+``` 
+
+or any other