Add SAMODE command, restricted by oper capab

irc/help.go

@@ -295,6 +295,14 @@ Sends the text to the given targets as a PRIVMSG.`,
 		text: `SANICK <currentnick> <newnick>
 
 Gives the given user a new nickname.`,
+	},
+	"samode": {
+		oper: true,
+		text: `SAMODE <target> [<modestring> [<mode arguments>...]]
+
+Forcibly sets and removes modes from the given target -- only available to
+opers. For more specific information on mode characters, see the help for
+"cmode" and "umode".`,
 	},
 	"scene": {
 		text: `SCENE <target> <text to be sent>