Include "jitter" due to PSF and charge spreading

[jacobdparker]

Fixes #35 Fixes #40

This PR implements "jitter" in photon position in pixel space on the detector due to both 1) the wavelength-dependent PSF and 2) charge spreading.

This PR also

• Implements methods for computing and retrieving the wavelength-dependent PSFs
• Adds an instrument configuration for CDR
• Updates the as-built design

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 32.25806% with 168 lines in your changes missing coverage. Please review.

Project coverage is 55.56%. Comparing base (90fd01f) to head (b559431).

Files	Patch %	Lines
mocksipipeline/instrument/optics/aperture.py	23.47%	88 Missing :warning:
mocksipipeline/modeling.py	10.00%	54 Missing :warning:
mocksipipeline/instrument/design.py	10.71%	25 Missing :warning:
mocksipipeline/instrument/optics/response.py	85.71%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #39 +/- ## ========================================== - Coverage 62.82% 55.56% -7.26% ========================================== Files 16 17 +1 Lines 780 1006 +226 ========================================== + Hits 490 559 +69 - Misses 290 447 +157 ```

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