[ADD][VIM] Better vim-unimpaired mappings

I use a french layout keyboard ('AZERTY' layout), which does not have
the greatest access to '[' and ']'.

vim/.vimrc

@@ -360,6 +360,14 @@ map <Leader>es :source $MYVIMRC<CR>
 
 " Run make silently, then skip the 'Press ENTER to continue'
 noremap <Leader>m :silent! :make! \| :redraw!<CR>
+
+" Better fr layout mappings for vim-unimpaired and other '[' and ']' commands
+nmap ( [
+nmap ) ]
+omap ( [
+omap ) ]
+xmap ( [
+xmap ) ]
 " }}}
 
 " Mapping for quickfix bindings {{{