Add caddyfile support, closes #195

ftplugin/caddyfile.vim

@@ -0,0 +1,28 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'caddyfile') == -1
+  
+" Language:	    Caddyfile
+" Author:	    Josh Glendenning <josh@isobit.io>
+
+if exists('b:did_ftplugin')
+	finish
+endif
+let b:did_ftplugin = 1
+
+setlocal commentstring=#\ %s
+
+" Add NERDCommenter delimiters
+let s:delimiters = {'left': '#'}
+if exists('g:NERDDelimiterMap')
+	if !has_key(g:NERDDelimiterMap, 'caddyfile')
+		let g:NERDDelimiterMap.caddyfile = s:delimiters
+	endif
+elseif exists('g:NERDCustomDelimiters')
+	if !has_key(g:NERDCustomDelimiters, 'caddyfile')
+		let g:NERDDelimiterMap.caddyfile = s:delimiters
+	endif
+else
+	let g:NERDCustomDelimiters = {'caddyfile': s:delimiters}
+endif
+unlet s:delimiters
+
+endif