Merge branch 'hedgedoc-freeurl' into 'master'

hedgedoc: Enable named pads

See merge request !742

roles/hedgedoc/templates/hedgedoc.service.d.j2

@@ -14,3 +14,5 @@ Environment=CMD_OAUTH2_PROVIDERNAME=Keycloak
 Environment=CMD_DOMAIN=md.archlinux.org
 Environment=CMD_PROTOCOL_USESSL=true
 Environment=CMD_URL_ADDPORT=false
+Environment=CMD_ALLOW_FREEURL=true
+Environment=CMD_REQUIRE_FREEURL_AUTHENTICATION=true