Add keybind to reload ctags to vim

.vimrc

@@ -49,6 +49,8 @@ nnoremap <leader>gr :Git rebase -i
 noremap <leader>c :w! \| !compiler <c-r>%<CR>
 noremap <leader>p :!opout <c-r>%<CR><CR>
 
+nnoremap <leader>u :!ctags -R .<CR>
+
 nnoremap <esc> :set nohlsearch<CR>
 
 " Local (scope) replace