plugins/inputs: New input for Wireguard server (#6367)

etc/telegraf.conf

@@ -4647,6 +4647,13 @@
 #   # timeout = "1s"
 
 
+# # Collect Wireguard server interface and peer statistics
+# [[inputs.wireguard]]
+#   ## Optional list of Wireguard device/interface names to query.
+#   ## If omitted, all Wireguard interfaces are queried.
+#   # devices = ["wg0"]
+
+
 # # Monitor wifi signal strength and quality
 # [[inputs.wireless]]
 #   ## Sets 'proc' directory path