Fix #138, Add Build Workflow

[ArielSAdamsNASA]

Checklist (Please check before submitting)

• [x] I reviewed the Contributing Guide.
• [ ] I signed and emailed the appropriate Contributor License agreement to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.

Describe the contribution Fixes #138

Testing performed Tested on fork: https://github.com/ArielSAdamsNASA/CF/runs/4940387579?check_suite_focus=true

Expected behavior changes Build cFS with the CF app and run ./core-cpu1

Contributor Info - All information REQUIRED for consideration of pull request Ariel Adams, ASRC Federal