Clean up README.md and repository

[guylepage3]

Structure

• [x] Repository name change
• [x] Header
• [x] Table of contents
• [x] Status
• [x] Issue or idea report – (Links to new CONTRIBUTING.md#issue-or-idea-report)
• [x] Feature requests
• [x] Contributing – (Links to new CONTRIBUTING.md)
  • [x] Using the issue tracker – (On new CONTRIBUTING.md)
  • [x] Issue or idea report – (On new CONTRIBUTING.md)
• [x] Roadmap – (Links to new galaxypi/galalxydocs/roadmap.md)
• [x] Community – (Links to new galaxypi/galalxydocs/community.md)
• [x] Repository maintainers
• [x] Add Open source icon
• [x] Create Issue or idea report template

[guylepage3]

Complete.