Add a deployment script for app development purposes

[bpierre]

Two things to facilitate developing the app using a local node:

• Allows to set the ACCOUNTS_BALANCE env var to an arbitrary ETH balance to be set on accounts (to use when starting Hardhat Network).
• Add a script (utils/deploymentDev.js) that deploys the contracts, opens a certain amount of troves, and displays the env vars to be copied in the frontend app (currently living in scaffold).

Usage:

# Start the node and give 1000 ETH to each of the 2k accounts
$ ACCOUNTS_BALANCE=1000 yarn hardhat node

# Deploy contracts for development purposes
$ yarn hardhat run --network localhost utils/deploymentDev.js

Core contracts deployed.

PriceFeedTestnet    0xCF389CE0CD7DfF99689eeB56029A28fa965Fe89E
BoldToken           0x84A85A35AF520fC2884167Fc62Fb7605a454A102
SortedTroves        0xbEc2096Ef1FDfA8A5c876d900DDD9570d1471572
TroveManager        0x88400A8e74619127C301B3d8aC7BBd8A08b76f9f
ActivePool          0x6845beebdEc1B7EcB4e30Bc50467D9f7d66733Fd
StabilityPool       0xefaC809C80e25039799EB11b70E157752DC9869e
GasPool             0xC01B2841FAA908D2793676e71a6Bbb7D2838aeDa
DefaultPool         0x9E5888347B021cd487Ad6FE7b82691AEb2eC11de
CollSurplusPool     0x88b1d679771F0cD0bF80234e00073012F3a40f08
FunctionCaller      0xb0441e9262C2786db98a4A83bc5EF5Eb4A83aA17
BorrowerOperations  0x8826968921217d6813Bbd82EfCE983c99aF70BFF
HintHelpers         0x4B2E75cCdB46FEB86b474b49C8Cee7B430b310D4

Frontend vars (put this in frontend/*.env):

NEXT_PUBLIC_CONTRACT_PRICE_FEED_TESTNET=0xCF389CE0CD7DfF99689eeB56029A28fa965Fe89E
NEXT_PUBLIC_CONTRACT_BOLD_TOKEN=0x84A85A35AF520fC2884167Fc62Fb7605a454A102
NEXT_PUBLIC_CONTRACT_SORTED_TROVES=0xbEc2096Ef1FDfA8A5c876d900DDD9570d1471572
NEXT_PUBLIC_CONTRACT_TROVE_MANAGER=0x88400A8e74619127C301B3d8aC7BBd8A08b76f9f
NEXT_PUBLIC_CONTRACT_ACTIVE_POOL=0x6845beebdEc1B7EcB4e30Bc50467D9f7d66733Fd
NEXT_PUBLIC_CONTRACT_STABILITY_POOL=0xefaC809C80e25039799EB11b70E157752DC9869e
NEXT_PUBLIC_CONTRACT_GAS_POOL=0xC01B2841FAA908D2793676e71a6Bbb7D2838aeDa
NEXT_PUBLIC_CONTRACT_DEFAULT_POOL=0x9E5888347B021cd487Ad6FE7b82691AEb2eC11de
NEXT_PUBLIC_CONTRACT_COLL_SURPLUS_POOL=0x88b1d679771F0cD0bF80234e00073012F3a40f08
NEXT_PUBLIC_CONTRACT_FUNCTION_CALLER=0xb0441e9262C2786db98a4A83bc5EF5Eb4A83aA17
NEXT_PUBLIC_CONTRACT_BORROWER_OPERATIONS=0x8826968921217d6813Bbd82EfCE983c99aF70BFF
NEXT_PUBLIC_CONTRACT_HINT_HELPERS=0x4B2E75cCdB46FEB86b474b49C8Cee7B430b310D4

[bingen]

LGTM!