add Webhook #3148 (#3163)

* WIP add Webhook

* fix config html for webhook
add tooltips for webhook

* webhook: fix not enabling webhook

* send webhook as json

* Update ApiKey.md

* webhook: fix only sending last "Number"

* webhook JSON is now closer to the data log in CSV format

* webhook: drop timeStampTimeUTC and switch from timeStamp to lastvalue like lokal csv to fix no timestamp on error

---------

Co-authored-by: CaCO3 <caco3@ruinelli.ch>

code/components/jomjol_webhook/interface_webhook.h

@@ -0,0 +1,16 @@
+#ifdef ENABLE_WEBHOOK
+
+#pragma once
+#ifndef INTERFACE_WEBHOOK_H
+#define INTERFACE_WEBHOOK_H
+
+#include <string>
+#include <map>
+#include <functional>
+#include <ClassFlowDefineTypes.h>
+
+void WebhookInit(std::string _webhookURI, std::string _apiKey);
+void WebhookPublish(std::vector<NumberPost*>* numbers);
+
+#endif //INTERFACE_WEBHOOK_H
+#endif //ENABLE_WEBHOOK