nvim: Re-introduce git-messenger

Now that we have dropped golden-ration add git-messenger back.

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

nvim/.config/nvim/after/plugin/fugitive.vim

@@ -15,4 +15,4 @@ nnoremap <Leader>g- :Git stash<CR>:e<CR>
 nnoremap <Leader>g+ :Git stash pop<CR>:e<CR>
 nnoremap <Leader>gw :Gwrite<CR>
 nnoremap <Leader>gG :Git<SPACE>
-nnoremap <Leader>gm :0,3Git blame<CR>
+nnoremap <Leader>gM :0,3Git blame<CR>

nvim/.config/nvim/init.vim

@@ -17,6 +17,7 @@ Plug 'haorenW1025/completion-nvim'
 Plug 'tmux-plugins/vim-tmux-focus-events'
 Plug 'wellle/tmux-complete.vim'
 " Git support
+Plug 'rhysd/git-messenger.vim'
 Plug 'tpope/vim-fugitive'
 Plug 'airblade/vim-gitgutter'
 Plug 'rhysd/conflict-marker.vim'