Update README.md adding parent repo
Update README.md adding parent repo
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-Amundsen Common library holds common codes among micro services in Amundsen
+Amundsen Common library holds common codes among micro services in Amundsen.
+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
