Nos3#811 fprime startup sequence

[KushalP17]

Fprime Sequencing and Startup Sequencing
Full cFS-like sequencing will come after Fprime 4.0 issues with SPI and Rate Group 4 are fixed.

How to test?

1. Run fprime configuration of NOS3
2. Once everything launches, check Events tab in Fprime GDS and make sure nos3test sequence is running .
3. [Optional] Follow directions in Flight Software Docs (specifically F-Prime Sequencing) to make and run a custom sequence (manually or at startup, either or)

Submodule PRs and actions prior to closing this:
fprime-nos3

Closes #811

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.75%. Comparing base (1c086d8) to head (3e46b33).
⚠️ Report is 43 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #812      +/-   ##
==========================================
- Coverage   73.52%   72.75%   -0.78%     
==========================================
  Files         761      761              
  Lines       94126    90249    -3877     
  Branches     7135     7133       -2     
==========================================
- Hits        69210    65664    -3546     
+ Misses      24916    24585     -331     

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