Add initial documentation for deploying/using the Egeria UIs

[planetf1]

Themain egeria docs need to be extended to cover running the Egeria UIs

• [x] Running the react UI natively
• [ ] Running the react UI in a container (api server & static content)
• [ ] Running the polymer UI natively
• [ ] Running the polymer UI in a container (api server & static content)

Currently there is limited documentation

• Helm Chart (example) for coco : https://github.com/odpi/egeria-charts/tree/main/charts/odpi-egeria-lab
• docker-compose (deprecated) for coco: https://github.com/odpi/egeria/tree/master/open-metadata-resources/open-metadata-deployment/compose/tutorials
• Egeria react UI set, locally is covered at https://odpi.github.io/egeria-react-ui/getting-started/setup/
• Terse notes on the polymer UI at https://github.com/odpi/egeria-ui