Revert "deprecate embedded browser (#12163)"

This reverts commit 736d8cbac4.

Bring contrib files for older contributions

cmd/gateway-startup-msg.go

@@ -65,4 +65,9 @@ func printGatewayCommonMsg(apiEndpoints []string) {
 		logStartupMessage(color.Blue("RootPass: ") + color.Bold(fmt.Sprintf("%s ", cred.SecretKey)))
 	}
 	printEventNotifiers()
+
+	if globalBrowserEnabled {
+		logStartupMessage(color.Blue("\nBrowser Access:"))
+		logStartupMessage(fmt.Sprintf(getFormatStr(len(apiEndpointStr), 3), apiEndpointStr))
+	}
 }