* batch derivation spec draft

* add diagrams, fix recovery-from-reorg wording

* update spec to cover channel ID timestamp

* specs: update batch derivation diagrams

* simplified overview draft + greatly expand glossary

* section on batch submission an encoding

* stages explanation

* edit resetting part of the spec

* rework pipeline description (& more)

* incorporate review feedback

* recover lost change

* rework payload attributes derivation section

* specs: toc fix

* specs: misc lint fixes

* specs/meta: toc fix
Co-authored-by: protolambda <proto@protolambda.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>