Allow anonymous edits

files/config.json.j2

@@ -44,7 +44,7 @@
             "dialect": "postgres"
         },
         "linkifyHeaderStyle": "gfm",
-        "allowAnonymous" : false,
+        "allowAnonymous" : true,
         "sessionSecret" : "{{ hedgedoc_session_secret }}",
         "allowEmailRegister" : false
     }