Revert "Remove leading . from tar dir"

### Distributing

* `mkdir -p dist`

* `tar -c --exclude-vcs --exclude-from .tarignore -vzf dist/openflexure-microscope-server.tar.gz *`

* `tar -c --exclude-vcs --exclude-from .tarignore -vzf dist/openflexure-microscope-server.tar.gz .`

## Build-system

As of 1.0.0b0, we're using [Poetry](https://github.com/sdispater/poetry) to manage dependencies, build, and distribute the package. All package information and dependencies are found in `pyproject.toml`, in line with [PEP 518](https://www.python.org/dev/peps/pep-0518/). If you're developing this package, make use of `poetry.lock` to ensure you're using the latest locked dependency list.