Implemented the functionality to create Service Requests

src/services/http/background-json.js

@@ -1,6 +1,7 @@
 function createHttpBackgroundJson({
   previewDebugBody,
   DEBUG_BODY_LIMIT,
+  observeResponseHeaders = () => {},
   environment
 }) {
   const { fetch } = environment;
@@ -17,6 +18,7 @@ function createHttpBackgroundJson({
       throw error;
     }
 
+    observeResponseHeaders(response.url || url, response.headers);
     const responsePayload = await readResponsePayload(response);
     const responseBody = createDebugBody(responsePayload.text);
     completeBackgroundDebugEntry(debugEntry, response, responseBody, "");