Update ref-arch-business.md
Update ref-arch-business.md

Added hyperlinks to FEAF, DoDAF, and TOGAF. Cleaned up residual brackets around each DoDAF artifact.
Project-Interoperability/project-interoperability.github.io,Project-Interoperability/project-interoperability.github.io,Project-Interoperability/project-interoperability.github.io,Project-Interoperability/project-interoperability.github.io