Add generic instrument for making finder charts, update tests, fix most modules type annotations.

[emirkmo]

Also:

1. Updates tests: End to end test with several configurations of 20lao. Add unit tests for new instrument. Better reporting.
2. Makes everything but the plotting module pass basic type annotations via pyright/pylance.
3. Makes initialization of Target/Plan more robust and narrow down types.
4. Several more minor fixes (Ignore warnings, move parse to parser module
5. black code style.