Add syslog settings to configs type (#318)

Keycloak 25 added support for logging via Syslog, see https://www.keycloak.org/server/logging#_centralized_logging_using_syslog

Author: saz

types/configs.pp

@@ -63,7 +63,7 @@
     Optional['vault-file'] => Stdlib::Absolutepath,
     Optional['vault-pass'] => Variant[String[1], Sensitive],
     Optional['vault-type'] => Enum['PKCS12'],
-    Optional['log'] => Array[Enum['console','file','gelf']],
+    Optional['log'] => Array[Enum['console','file','gelf','syslog']],
     Optional['log-console-color'] => Boolean,
     Optional['log-console-format'] => String[1],
     Optional['log-console-output'] => Enum['default','json'],
@@ -79,6 +79,10 @@
     Optional['log-gelf-max-message-size'] => Integer,
     Optional['log-gelf-port'] => Stdlib::Port,
     Optional['log-gelf-timestamp-format'] => String[1],
+    Optional['log-syslog-protocol'] => Enum['tcp','udp','ssl-tcp'],
+    Optional['log-syslog-endpoint'] => String[1],
+    Optional['log-syslog-format'] => String[1],
+    Optional['log-syslog-output'] => Enum['json','default'],
     Optional['log-level'] => String[1],
     Optional['tls-hostname-verifier'] => Enum['ANY','WILDCARD','STRICT'],
     Optional['truststore-paths'] => Array[String[1]],