Donation of witness and go-witness

[jkjell]

This is a related issue to #15:

• Witness Repository: https://github.com/testifysec/witness
• Go-Witness Repository: https://github.com/testifysec/go-witness

Following the guidance of the ITSC, we'd like this issues to serve as the record of the ITSC's vote and the follow up actions required for and following the donation:

• A majority of the ITSC members vote to accept the donation.
• Labeling of the witness and go-witness libraries as experimental (or according to a future maturity model developed by the ITSC).
• That label can be reviewed once the code of these repositories comes in line with the ITE's described here and once the ITSC formalizes the sub-project maturity model.

[JustinCappos]

I vote to accept!

[trishankatdatadog]

Do we have a list of maintainers?

[colek42]

I am abstaining from the vote due to a conflict

[jkjell]

Do we have a list of maintainers?

Added here: https://github.com/testifysec/witness/blob/main/MAINTAINERS.md and https://github.com/testifysec/go-witness/blob/main/MAINTAINERS.md

[trishankatdatadog]

Accepting!

[06kellyjac]

I vote to accept

[JustinCappos]

Given the majority of accept votes from ITSC members, Witness and go-witness are now officially subprojects of in-toto!

[adityasaky]

This is very cool!

[JustinCappos]

I will close this as completed. We will address the labeling of projects as a separate, holistic issue (#19).