Update root README.md

README.md

 # GCP Hackathon 2022 - Team Geek Speak Hertz
+
+Source code for **Release Lab** project
+
+* Apps Scripts
+  * Request Artifact Deployment
+  * Approve Artifact Deployment
+
+* Cloud Functions
+  * Trigger Email
+  * Trigger Pipeline
+  * Post Deployment
+
+![Release Lab Architecture Diagram](Release-Lab-Architecture-Diagram.png?raw=true "Release Lab Architecture Diagram")