nvim: Add simple terminal toggle plugin

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>

nvim/.config/nvim/init.vim

@@ -64,6 +64,8 @@ Plug 'liuchengxu/vim-which-key'
 Plug 'christoomey/vim-system-copy'
 " Signs for entries in location list or quickfix lists
 Plug 'dhruvasagar/vim-markify'
+" Toggle terminal
+Plug 'caenrique/nvim-toggle-terminal'
 " Language support & syntax highlighting
 " Haskell
 Plug 'neovimhaskell/haskell-vim'

nvim/.config/nvim/keymappings.vim

@@ -124,7 +124,9 @@ nnoremap zmk :set foldmethod=marker<CR>
 nnoremap zms :set foldmethod=syntax<CR>
 
 " Key Bindings to help with terminal mode
-:tnoremap jk <C-\><C-n>
+tnoremap jk <C-\><C-n>
+nnoremap <silent> <C-z> :ToggleTerminal<Enter>
+tnoremap <silent> <C-z> <C-\><C-n>:ToggleTerminal<Enter>
 " Key bindings to move between window splits
 for key in range(0, 9)
   execute 'nnoremap <Space>'.key key.'<C-w>w'