Add Input Prompting

[fritz-astronomer]

• feat: add prompting for rulesets and input dir
• doc: various doc updates + standardizations

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 20.33898% with 47 lines in your changes missing coverage. Please review.

Project coverage is 74.26%. Comparing base (b3ee237) to head (b5be4b3).
Report is 18 commits behind head on main.

Files with missing lines	Patch %	Lines
orbiter/__main__.py	18.96%	47 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #43      +/-   ##
==========================================
- Coverage   78.92%   74.26%   -4.67%     
==========================================
  Files          35       38       +3     
  Lines        1362     1636     +274     
==========================================
+ Hits         1075     1215     +140     
- Misses        287      421     +134     

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