Fission MQT integration with keda (#1657)

Fission MQT integration based on Keda with Kafka connector

test/tests/mqtrigger_kind_keda/kafka/hellokafka.js

@@ -0,0 +1,15 @@
+module.exports = async function (context) {
+  console.log(context.request.body);
+  console.log("z-custom-name: " + context.request.headers["z-custom-name"]);
+  console.log(
+    "x-fission-function-name: " +
+      context.request.headers["x-fission-function-name"]
+  );
+  let obj = context.request.body;
+  let headers = context.request.headers;
+  return {
+    status: 200,
+    headers: headers,
+    body: obj,
+  };
+};