[L] Change in flashrom[master]: doc: Add documentation license

[Anastasia Klimchuk (Code Review)]

Attention is currently required from: Alexander Goncharov, Patrick Georgi, Stefan Reinauer, Thomas Heijligen.

Anastasia Klimchuk has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/75727?usp=email )

Change subject: doc: Add documentation license
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Patch Set 2:

(2 comments)

Patchset:

PS1:
> I have some issues with nested that which do not behave :\ but meanwhile I am looking into nested li […]

As we discussed on the meeting, this page should be sufficient.

Patchset:

PS2: 
Finally I made it work, the page is ready.
Nested lists ended up being a combination of formatted lists and just plain raw paragraphs, but that's the only thing I could made work. Since this is legal text, enumerated lists should be exactly as they are, with very specific enumeration sequences.