0.2 Docs folder and config file in root of project

What's Changed

• Update docker-compose.mkdocs.yaml by @bhanu951 in #2

New Contributors

• @bhanu951 made their first contribution in #2

Full Changelog: 0.1...0.2

Caveat

If this change is made on a existing project, mkdocs.yml and docs folder must be moved to the root of the project. If not, ddev won't start.