add support for digital clock time color (#3737)

see
https://forum.magicmirror.builders/topic/19440/digital-clock-minutes-darker

changelog added

question.. 

we have a config parm for seconds color, but not hour/minute
I have used css here.. is that too inconsistent?

---------

Co-authored-by: Kristjan ESPERANTO <35647502+KristjanESPERANTO@users.noreply.github.com>
Co-authored-by: Veeck <github@veeck.de>

js/deprecated.js

@@ -1,3 +1,4 @@
 module.exports = {
-	configs: ["kioskmode"]
+	configs: ["kioskmode"],
+	clock: ["secondsColor"]
 };