fixed root command to have trailing space

utils.go

@@ -50,6 +50,7 @@ func hasCommandPrefix(s string, baseCommand string, botName string, subCommands
 
 // isRootCommand determines if the command is the root command or name with no arguments
 func isRootCommand(s string, baseCommand string, botName string) bool {
+	// the space after is important because keybase autocompletes ! and @ with a space after
 	botCommand := fmt.Sprintf("!%s ", baseCommand)
 	nameCommand := fmt.Sprintf("@%s ", botName)
 	if s == botCommand || s == nameCommand {