set up the external grep to use ripgrep

vim/.vimrc

@@ -27,8 +27,8 @@ nnoremap <c-h> <c-w>h
 nnoremap <c-j> <c-w>j
 nnoremap <c-k> <c-w>k
 nnoremap <c-l> <c-w>l
-nnoremap <c-n> :cnext<CR>
-nnoremap <c-p> :cprevious<CR>
+nnoremap <c-n> :cnext<CR>zz
+nnoremap <c-p> :cprevious<CR>zz
 nnoremap <c-u> <c-u>zz
 nnoremap H ^
 nnoremap L $
@@ -61,6 +61,8 @@ set viewoptions=folds,cursor
 set wildignore=*.o,*.obj,.git/**,tags,*.pyc
 set noswapfile
 set makeprg=just
+set grepprg=rg\ --vimgrep\ --hidden\ --smart-case
+set grepformat=%f:%l:%c:%m
 syntax on
 tnoremap <silent> <c-w>c <c-\><c-n><c-w>c
 xnoremap <silent> H ^