Retroactively sign-off Pete's commits

[yshyn-iohk]

@petevielhaber, the commit with the following text should be added to the repo

---

I, Pete Vielhaber, retroactively sign off on these commits:
commit 8e8cdd4 feat: add glossary (#17)
commit 0471b35 feat: update verifiable-data.md (#16)
commit 2663f44 fix: doc-fixes (#94)
commit 917fbe5 docs: complete review (#65)
commit 6ffc33f fix: polishing documentation (#37)
commit f193cc6 feat: address feedback for concepts section (#31)

Signed-off-by: Pete Vielhaber peter.vielhaber@iohk.io