added missing gotify alert to loserver

lgsm/config-default/config-lgsm/loserver/_default.cfg

@@ -51,6 +51,11 @@ emailalert="off"
 email="email@example.com"
 emailfrom=""
 
+# Gotify Alerts | https://docs.linuxgsm.com/alerts/gotify
+gotifyalert="off"
+gotifytoken="token"
+gotifywebhook="webhook"
+
 # IFTTT Alerts | https://docs.linuxgsm.com/alerts/ifttt
 iftttalert="off"
 ifttttoken="accesstoken"