Add graphql support, closes #298

autoload/graphql.vim

@@ -0,0 +1,16 @@
+if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'graphql') != -1
+  finish
+endif
+
+" Vim plugin
+" Language: GraphQL
+" Maintainer: Jon Parise <jon@indelible.org>
+
+if exists('g:autoloaded_graphql')
+  finish
+endif
+let g:autoloaded_graphql = 1
+
+function! graphql#javascript_tags() abort
+  return get(g:, 'graphql_javascript_tags', ['gql', 'graphql', 'Relay.QL'])
+endfunction