Add examples / how-to

[ChristopherRabotin]

Summary

• Add a high fidelity propagator example
• Add the James Webb Space Telescope propagation and Monte Carlo run example
• Breaking: exporting trajectory, OD, or Monte Carlo data now only exports the datetime in UTC, in ISO format with 6 precision subseconds (simplifies operations in Python)
• Add exporting Monte Carlo results.

Closes #325

Remaining work

• Fix RIC rotation in odp export, it should not account for the full covariance, only the orbit covariance
• Export the RIC uncertainty (sigma x (km) (RIC), etc. for RIC and inertial frames) in addition to the full covariance in the propagation frame: less columns yet more information (required for OEM files anyway). This should be the square root of the diagonals. This also removes all of the covariance RIC 9x9 matrix
• Update the plots of the 02_jwst example to show the uncertainty instead of the covariance. Reconsider whether Check covariance computation in Kalman Filter prediction #327 is indeed a bug. The math looks right.

Architectural Changes

• Monte Carlo structure templates supports a multivariate distribution instead of a uni-dimensional one.
• Add SpacecraftUncertainty to quickly build an uncertainty in any inertial or local frame (RIC, RCN, VNC)

New Features

No change

Improvements

No change

Bug Fixes

No change

Testing and validation

• Updated the test to not expect other epoch columns than Epoch (UTC).

Documentation

YES! This adds two end to end Rust examples with analysis!

[github-actions]

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