add README

cloud-functions/post-deployment/README.md

-Functionality of the Cloud Function
+# Functionality of the Cloud Function
 
-    Once Jenkin Job is  finished regardless of it's status , 
-    it will published the message (pipelines details , build number , status etc) to topic which triggers this cloud function
-    Function reads the message and make the call to jekins to get the job status pushes the data to cloud firestore 
-    and make another call to http endpoint to update the confluence with application current version
+-  Once Jenkin Job is finished regardless of it's status  
+-  it will published the message (pipelines details , build number , status etc) to topic which triggers this cloud function
+-  Function reads the message and make the call to jekins to get the job status pushes the data to cloud firestore 
+and make another call to http endpoint to update the confluence with application current version
 
 # Block diagram of the Flow
 ![Block Diagram](post-deployment.png?raw=true "Block Diagram")
\ No newline at end of file