doc: add short desc about the packages

README.md

@@ -1,6 +1,15 @@
 # FullStory Integrations
 
-> This repo holds all the integrations possible with [Fullstory](https://www.fullstory.com/).
+> This repo holds SDKs for all the integrations possible with [Fullstory](https://www.fullstory.com/).
+
+These packages helps you to seamlessly integrate with FullStory platform.
+
+Supported integerations are mentioned below.
+
+Whenever you have an event captured in any of the following service you will see a link to the FullStory session replay at that exact moment in time.
+
+Also, when you are watching a FullStory replay and your user experiences an error, you might see a custom error event that contains the error details along with
+the link that will take you to that error in respective integrated service.
 
 _Please note that these are community packages and not official one._