add some modules, include http2

defaults/main.yml

@@ -15,3 +15,10 @@ apache_use_ssl: true
 apache_use_stats: true
 apache_user: "{{ apache_server_name | regex_search( '([^.]+)' ) }}"
 apache_use_database: false
+apache_modules_list:
+  headers
+  http2
+  rewrite
+  proxy
+  proxy_http
+  proxy_fcgi