[Meta] Changes & Updates

[emirkmo]

• Add generic instrument for finder chart. #16
• Pass basic type annot. from pyright. #17
• Get typing stubs from type shed for Mypy. #18
• Black the code. #19
• Increase test coverage and add end-to-end test/ #20
• Add customization for the finder chart plot color. #21
• Add coverage report and pytest protection for Master branch PRs. #22
• Add service to use tnsquery (maybe also via tendrils), so we aren't solely reliant upon flows api tokens. #23
• Refactor finder chart out of the get brightest script, publish separately on Pypi. #24
• Add test and build instructions. #25
• Auto-generate simple docs from the type-annotated code. #26