update vim conf

vim/vimrc

@@ -35,6 +35,8 @@ nnoremap <c-j> :YcmCompleter GoToDefinitionElseDeclaration<CR>     " 跳转到
 let g:ycm_min_num_of_chars_for_completion=2 
 
 Plugin 'vim-airline/vim-airline'
+Plugin 'vim-airline-themes'
+let g:airline_theme='bubblegum'
 "vim-airline配置:优化vim界面"
 "let g:airline#extensions#tabline#enabled = 1
 " airline设置
@@ -54,6 +56,7 @@ let g:airline#extensions#tabline#buffer_nr_show = 1
 nnoremap [b :bp<CR>
 nnoremap ]b :bn<CR>
 " 映射<leader>num到num buffer
+"nmap <tab> :bn<cr>
 map <leader>1 :b 1<CR>
 map <leader>2 :b 2<CR>
 map <leader>3 :b 3<CR>