docs: rewards v2 (#952)

* docs: add v2 to intro and update terminology

* docs: complete createOperatorDirectedAVSRewardsSubmission

* docs: finish processClaims

* docs: finish up split setting functions + misc

* docs: use present state language

* docs: update hackmd link

* chore: roll back forge

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Co-authored-by: Yash Patil <[email protected]>

Author: nadir-akhtar