Update dir structure

contracts/package.json

@@ -9,7 +9,7 @@
     "deploy:oeth": "(rm -rf deployments/hardhat && npx hardhat deploy --export '../dapp-oeth/network.json') && yarn run copy-interface-artifacts:oeth",
     "deploy:oeth:mainnet": "(npx hardhat deploy --network mainnet --verbose --export '../dapp-oeth/network.mainnet.json') && yarn run copy-interface-artifacts",
     "abi:generate": "(rm -rf deployments/hardhat && mkdir -p dist/abi && npx hardhat deploy --export '../dist/network.json')",
-    "abi:dist": "find ./artifacts/contracts -name \"*.json\" -type f -exec cp {} ./dist \\; && rm -rf dist/*.dbg.json dist/Mock*.json",
+    "abi:dist": "find ./artifacts/contracts -name \"*.json\" -type f -exec cp {} ./dist/abi \\; && rm -rf dist/abi/*.dbg.json dist/abi/Mock*.json && cp ../package.json dist",
     "node": "yarn run node:fork",
     "node:fork": "./node.sh fork",
     "lint": "yarn run lint:js && yarn run lint:sol",