[coreboot-gerrit] Change in coreboot[master]: Documentation: Update index.md and add 4.18 release notes

[Julius Werner (Code Review)]

Attention is currently required from: Martin L Roth.
Julius Werner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/64843 )

Change subject: Documentation: Update index.md and add 4.18 release notes
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Patch Set 1:

(1 comment)

File Documentation/releases/coreboot-4.18-relnotes.md:

https://review.coreboot.org/c/coreboot/+/64843/comment/04accfbe_eca97b41 
PS1, Line 17: 
Would you mind adding the planned deprecation for the old libpayload API while you're here (https://mail.coreboot.org/hyperkitty/list/[e-mail]/thread/VLMKV...