04-Packet-Flow-v2 (#1148)

* start removing channel refs

* add counterparty refs

* introducing multi-packet data structure

* add multi-data packet

* introduce packet handlers

* send packet handl

* change packet commitment paths

* fix paths

* mod sendPacket

* mod receive

* allign with new packet structure

* mod ack and paths

* change counterparty def

* discussions-related-fixes

* add sketch packet flow

* rework + ack logic

* fixes + timeout logic

* start addressing review

* addressing review comments

* fixes

* client-creation-registration

* ante-error-post conditions sendPacket

* fixes

* handlers pre-error-post conditions

* fixes

* add mermaid diagrams, fixes

* router fixes

* improvements and fixes

* minor fix

* improvements

* adding considerations

* add condition table

* change condition table format

* multi-payload,paths,router,acks fixes

* improve createClient conditions

* table fix

* registerChannel table

* fixes

* improvements

* fixes

* setup fixes

* diagram fixes

* fix diagram

* test fix

* two and three step setup

* send-receive conditions

* router fixes

* createChannl conditions

* register table fixes

* conditions tables

* table fixes

* self review

* self review

* add soundness and correctness

* self review

* self review

* fixes

* minor fixes

* rename folder

* polish

* change registerChannel to registerCounterparty

* Apply suggestions from code review

Co-authored-by: Aditya <[email protected]>

* address review comments

* rm counterparty channel id check in send packet

* mod writeAck function

* delete packet once async ack has been written

* fix callbacks

* fixes

* fix mermaid

* rm relayer from SendPack

* Apply suggestions from code review

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Co-authored-by: Aditya <[email protected]>