Add DKIM configuration for zmail domain

domains/zmail._domainkey.korvien.json

@@ -0,0 +1,8 @@
+{
+  "owner": {
+   "username": "KorvienDev"
+  },
+ "records": {
+   "TXT": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDp2c2v4tYmH/ubYd/pfYhP3P5/XZrqISQpJe3iN893Jd+zwmEHOyEjqKbhqM1/wZrXOaBDNcIhEpgzQaOYALxlX2dCVy1BK2/xgtAOBTnYyt7Ejm2UQTYDkl8U7zVSZzVi3lUK3ZOTKGchlBS/zfqPm+6kvDRw9b71xOrU8dyIdwIDAQAB"
+  }
+}