Postit

Introduced Post-It CLI. Also added initial documentation and example on how to use Post-It.

What's Changed
* Fix release workflow by brennenho in https://github.com/brennenho/post-it/pull/6
* Command line interface by brennenho in https://github.com/brennenho/post-it/pull/7
* Documentation and related improvements. by brennenho in https://github.com/brennenho/post-it/pull/8
* Create LICENSE by brennenho in https://github.com/brennenho/post-it/pull/9
* Bump 0.0.3 by brennenho in https://github.com/brennenho/post-it/pull/10


**Full Changelog**: https://github.com/brennenho/post-it/compare/v0.0.2...v0.0.3

Initial package release. 🎉

Key features:
- Document generation
- Tagging framework
- Mixer
- Parallel processing and progress updates

What's Changed
* Tagging framework by brennenho in https://github.com/brennenho/post-it/pull/1
* Workflows for linting, testing and publishing packages by brennenho in https://github.com/brennenho/post-it/pull/2
* Update release workflow by brennenho in https://github.com/brennenho/post-it/pull/3
* Parallel processing, deduplication, initial logging by brennenho in https://github.com/brennenho/post-it/pull/4
* Update project to use Poetry by brennenho in https://github.com/brennenho/post-it/pull/5

New Contributors
* brennenho made their first contribution in https://github.com/brennenho/post-it/pull/1

**Full Changelog**: https://github.com/brennenho/post-it/commits/v0.0.2