Add syntax files from upstream vim repository

indent/htmldjango.vim

@@ -0,0 +1,16 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" Vim indent file
+" Language:	Django HTML template
+" Maintainer:	Dave Hodder <dmh@dmh.org.uk>
+" Last Change:	2007 Jan 25
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+  finish
+endif
+
+" Use HTML formatting rules.
+runtime! indent/html.vim
+
+endif