Update README.md (#68)

Author: ttannis

README.md

@@ -8,6 +8,7 @@
 
 Amundsen Metadata service serves Restful API and responsible for providing and also updating metadata, such as table & column description, and tags. Metadata service can use Neo4j or Apache Atlas as a persistent layer.
 
+For information about Amundsen and our other services, visit the [main repository](https://github.com/lyft/amundsen). Please also see our instructions for a [quick start](https://github.com/lyft/amundsen/blob/master/docs/installation.md#bootstrap-a-default-version-of-amundsen-using-docker) setup  of Amundsen with dummy data, and an [overview of the architecture](https://github.com/lyft/amundsen/blob/master/docs/architecture.md).
 
 ## Requirements
 - Python >= 3.7