Add URL parameter to enable notification of IP changes

files/config.example.toml

@@ -65,7 +65,10 @@ from_address = "ddns@example.com"  # required if email.enabled
 #   ipv6 (IPv6 address): myip6, ipv6, ip6
 #   username: username, user
 #   password: password, pass, token
+#   notify_change: notify_change
+#
 # Multiple endpoints can be defined with custom parameter names
+
 # [[endpoints]]
 # path = "/update"
 # [endpoints.params]
@@ -74,6 +77,7 @@ from_address = "ddns@example.com"  # required if email.enabled
 # ipv6 = ["myip6", "ipv6", "ip6"]
 # username = ["username", "user"]
 # password = ["password", "pass", "token"]
+# notify_change = ["notify_change"]
 
 # [[endpoints]]
 # path = "/nic/update"
@@ -83,3 +87,4 @@ from_address = "ddns@example.com"  # required if email.enabled
 # ipv6 = ["myip6"]
 # username = ["username"]
 # password = ["password"]
+# notify_change = []