Docs
* fix merge mess
* move text and docs structure, add a lot of documentation
* move text and docs structure, add a lot of documentation
* adds even more basic documentation
* delete redundant docs
Full set of changes: [`0.9.0-dev6...0.9.0-dev7`](https://github.com/unikubehq/cli/compare/0.9.0-dev6...0.9.0-dev7)