Added ringing injector

[iguinn]

• Added convolve_exp to convolve with an exponential function
• Added convolve_damped_oscillator to convolve with a decaying cos
• Added inject_damped_oscillation to inject an electronics response component that is a damped oscillation
• Added tests for all of the above

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 84.00000% with 8 lines in your changes missing coverage. Please review.

Project coverage is 60.53%. Comparing base (b258554) to head (f7780ec). Report is 40 commits behind head on main.

Files with missing lines	Patch %	Lines
src/dspeed/processors/convolutions.py	80.00%	6 Missing :warning:
src/dspeed/processors/inject_ringing.py	88.88%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #78 +/- ## ========================================== + Coverage 60.17% 60.53% +0.35% ========================================== Files 47 48 +1 Lines 3184 3233 +49 ========================================== + Hits 1916 1957 +41 - Misses 1268 1276 +8 ```

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