* wip: add base solidity functions to try ens validation
* chore: add hardhat fork setup with env variable
* wip: setup ens verification for FleekERC721
* wip: add ens namehash generation
* chore: gas report setting
* feat: add ens verification on setTokenENS function
* test: hardhat transfer ens owner to set new ens
* test: fix foundry tests to enable ens validation
* refactor: change back ens to calldata and split out a public function for namehash testing
* refactor: move FleekENS.sol to util folder
* test: add ens validation tests for not owner attempts
* chore: add mainnet api key env in ci
* chore: fix .env.example
* fix: remove extra unused file
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