Add mapping for term mode

init.vim

@@ -86,9 +86,9 @@ set pastetoggle=<F2>
 au FocusLost * :wa
 
 " make sure to set TERM to xterm-256color in terminal program or app
+colorscheme breezy
 set background=light
 set termguicolors
-colorscheme breezy
 
 " ensure autoread works, to detect file changes outside the editor
 set autoread

mapping.vim

@@ -9,3 +9,5 @@ nmap <F9> :TagbarToggle<CR>
 nmap <F8> :NERDTreeToggle<CR>
 " open tree to current buffer
 nmap <S-F8> :NERDTreeFind<CR>
+" use same key, esc, to exit terminal mode
+tnoremap <Esc> <C-\><C-n>