High fidelity noise models for orbit determination

[ChristopherRabotin]

Effects

• Replace md::ui module withmd::prelude.
• Remove MDProcess: it was getting too complicated and is only used to run scenarios from TOML. This feature was never used and a new simpler Python based UI will be unveiled soon.
• Remove the KfTrigger trait, thereby preventing custom implementations of a CKF to EKF trigger. Open issues for new features.
• In an ODProcess, the EKF trigger is now an optional EkfTrigger structure. Usability wise, it does not change anything.

• Add a constant noise model
• Update the noise modeling in Ground Station
• Pr/N0 noises for range and doppler

If this is a new feature or a bug fix ...

• Yes, the branch I'm proposing to merge is called issue-xyz where xyz is the number of the issue.

If this change adds or modifies a validation case

• Yes and:
  • I have coded up, or updated, an existing test case; and
  • I have provided a GMAT script which confirms the result(s); and
  • I have updated the VALIDATION.md file with the new error data between nyx and GMAT.
  • I will specify the version of GMAT used for the validation.

[codecov]

Codecov Report

Patch coverage: 94.06% and project coverage change: +65.12 🎉

Comparison is base (bae4921) 0.00% compared to head (0125897) 65.12%.

Additional details and impacted files

@@             Coverage Diff             @@
##           master     #146       +/-   ##
===========================================
+ Coverage        0   65.12%   +65.12%     
===========================================
  Files           0      126      +126     
  Lines           0    32961    +32961     
===========================================
+ Hits            0    21465    +21465     
- Misses          0    11496    +11496     

Impacted Files	Coverage Δ
src/cosmic/orbit.rs	72.95% <ø> (ø)
src/dynamics/spacecraft.rs	81.37% <ø> (ø)
src/io/mod.rs	57.22% <ø> (ø)
src/io/trajectory_data.rs	0.00% <ø> (ø)
src/md/mod.rs	0.00% <ø> (ø)
src/md/opti/convert_impulsive.rs	0.00% <ø> (ø)
src/md/opti/multipleshooting/altitude_heuristic.rs	90.27% <ø> (ø)
src/md/opti/multipleshooting/ctrlnodes.rs	73.22% <ø> (ø)
.../md/opti/multipleshooting/equidistant_heuristic.rs	0.00% <ø> (ø)
src/md/opti/multipleshooting/multishoot.rs	73.39% <ø> (ø)
... and 28 more

... and 88 files with indirect coverage changes

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