Pystog

Add in extraction of workspaces from the input nexus file.

Add in extraction of workspaces from the input nexus file.

Add in extraction of workspaces from the input nexus file.

Add in extraction of workspaces from the input nexus file.

* Add `lint-security` to tox commands for [`bandit`](https://github.com/PyCQA/bandit)
* Unpin the numpy version in the requirements to help facilitate downstream projects using the conda package
* Remove Python 3.9 from CI/CD since having errors trying to upload Anaconda package

* Refactor to GitHub Actions CI/CD yaml
* Added bandit dependency for security linting
* Bug fixes to the pystog CLI from removing pandas dependency
* Docstring formatting fixes
* Refactor to method in `pystog.stog` - removed some private functions and made `apply_scales_and_offset` a static method
* Increase test coverage of `pystog.stog`
* Added initial tests for `pystog.io`
* Added project Makefile from a cookiecutter project
* Fix old links in the README