added filler.json
added filler.json

ruchevits/solidity,ethers/solidity,douglas-larocca/solidity,ruchevits/solidity,vaporry/solidity,gluk256/solidity,shahankhatch/solidity,LianaHus/solidity,chriseth/solidity-doc-test,arkpar/solidity,ruchevits/solidity,debris/solidity,ruchevits/solidity,chriseth/solidity