vim: Add surround and delimitMate plugins

These plugins add functionality to automatically close and surround text
with parantheses, brackets, quotes, etc.
Overwrite the vim-surround default bindings since they conflict with my
substitute bindings.

.config/vim/vimrc

@@ -7,8 +7,14 @@ if (has('patch-8.1.1719') || has('nvim'))
 endif
 " Theme
 packadd! onedark.vim
+" Automatically close parentheses, brackets, quotes, etc.
+packadd! delimitMate
 " Git information
 packadd! vim-gitgutter
+" Surround text with parentheses, brackets, quotes, tags, etc.
+let g:surround_no_mappings = 1
+packadd! vim-surround
+source $XDG_CONFIG_HOME/vim/vim-surround.vim
 
 " Settings #####################################################################
 " hybrid linenumbers