Comprehensive information and commands to improve the VIVO runtime

Created by: michel-heon

What does this pull request do?

This PR enforces the procedure for first-time use of VIVO with Docker

What's new?

New user instructions are detailed in the README.md file, and new instructions consolidating VIVO's synchronization with Solr are introduced in the docker-compose.yml and start.sh files.

How should this be tested?

Follow the instructions in the README.md file

Interested parties

@chenejac