VIM: Adds vim-vinegar plugin

This plugin makes some changes to netrw that I think should be default.

The mapping I use most is - from any buffer to open it's directory

nvim/.config/nvim/init.vim

@@ -7,6 +7,7 @@ if has('packages')
 	packadd! vim-json
 	packadd! vim-less
 	packadd! vim-tridactyl
+	packadd! vim-vinegar
 endif
 
 " Enables filetype detection as well as filetype specific indent rules and