docs: add notes for core devs call that are missing notes

[jcstein]

Write notes from the recording in the repo

[Susmita-Dey]

Hello @jcstein Can you share the recording with me and assign this issue? I'll add a files with the notes to this repo after that.

[rootulp]

The recordings are linked on https://github.com/celestiaorg/CIPs/tree/main/cips