* initial changes for the contract readme
* testing guidelines wip
* add contract documentation
* add note on future deprecation
* add memory and CPU requirements for docker
* add audit references to documentation
* use tokenbridge make commands in documentation
* add additional comments to testing guidelines
* define contract style guide and link it
* address PR comments with better documentation
* document tweaks and traffic generation script
* catch error on failure of main()
* add precompute script and readme documentation
* use ethers address generation
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Co-authored-by: count-sum <andrei.alexandru@consensys.net>