let fzf look for git files instead of all files, if git repo

nvim/init.vim

@@ -68,4 +68,9 @@ nmap <C-B> :ls<CR>
 
 " shortcuts
 nnoremap <C-G> :Goyo<CR>
-nnoremap <C-P> :Files<CR>
+" check if git dir, then use :GFiles for fzf
+if isdirectory('.git')
+  nnoremap <C-P> :GFiles<CR>
+else
+  nnoremap <C-P> :Files<CR>
+endif