docs: contracts readme

contracts/README.md

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+# @kleros/reality-v2-contracts
+
+Smart contracts for RealityV2
+
+## Deployments
+
+Refresh the list of deployed contracts by running `./scripts/generateDeploymentsMarkdown.sh` or `./scripts/populateReadme.sh`.
+
+### Official Testnet
+#### Arbitrum Sepolia
+
+
+#### Sepolia
+
+
+### Devnet
+#### Arbitrum Sepolia
+
+
+#### Sepolia
+
+## Getting Started
+
+### Install the Dependencies
+
+```bash
+yarn install
+```
+
+### Run Tests
+
+```bash
+yarn test
+```
+
+### Compile the Contracts
+
+```bash
+yarn build
+```
+
+### Run Linter on Files
+
+```bash
+yarn lint
+```
+
+### Fix Linter Issues on Files
+
+```bash
+yarn fix
+```
+
+### Deploy Instructions
+
+**NOTICE:** the commands below work only if you are inside the `contracts/` directory.
+
+#### 0. Set the Environment Variables
+
+Copy `.env.example` file as `.env` and edit it accordingly.
+
+```bash
+cp .env.example .env
+```
+
+The following env vars are required:
+
+- `PRIVATE_KEY`: the private key of the deployer account used for the testnets.
+- `MAINNET_PRIVATE_KEY`: the private key of the deployer account used for Mainnet.
+- `INFURA_API_KEY`: the API key for infura.
+
+The ones below are optional:
+
+- `ETHERSCAN_API_KEY`: to verify the source of the newly deployed contracts on **Etherscan**.
+- `ARBISCAN_API_KEY`: to verify the source of the newly deployed contracts on **Arbitrum**.
+- `GNOSISSCAN_API_KEY`: to verify the source of the newly deployed contracts on **Gnosis chain**.
+
+#### 1. Deploy to a Local Network
+
+:warning: There is no mocks deployed for the kleros-v2 contracts currently so this would fail. For now consider deploying to a testnet fork (next section).
+
+**Shell 1: the node**
+
+```bash
+yarn hardhat node --tags nothing
+```
+
+**Shell 2: the deploy script**
+
+```bash
+yarn deploy --network localhost --tags RealityV2
+```
+
+#### 2. Deploy to a Public Network Fork
+
+**Shell 1: the node**
+
+```bash
+yarn start-devnet-fork
+# or
+yarn start-testnet-fork
+```
+
+**Shell 2: the deploy script**
+
+```bash
+yarn deploy-devnet-fork
+# or
+yarn deploy-testnet-fork
+```
+
+#### 3. Deploy to Public Testnets
+
+```bash
+yarn deploy --network arbitrumSepolia --tags RealityV2
+```
+
+The deployed addresses should be displayed to the screen after the deployment is complete. If you missed them, you can always go to the `deployments/<network>` directory and look for the respective file.
+
+#### 4. Deploy a Devnet on Public Testnets
+
+Same steps as above but append `Devnet` to the `--network` parameter.
+
+#### Running Test Fixtures
+
+**Shell 1: the node**
+
+```bash
+yarn hardhat node --tags RealityV2
+```
+
+**Shell 2: the test scripts**
+
+```bash
+yarn test --network localhost
+```
+
+#### 4. Verify the Source Code
+
+This must be done for each network separately.
+
+```bash
+# explorer
+yarn etherscan-verify --network arbitrumSepolia
+yarn etherscan-verify-proxies
+
+# sourcify
+yarn sourcify --network arbitrumSepolia
+
+```
+
+## Ad-hoc procedures
+
+### Generate deployment artifacts for existing contracts
+
+#### Usage
+
+```bash
+scripts/generateDeploymentArtifact.sh <network> <address>
+```
+
+#### Example: WETH on Gnosis chain
+
+```bash
+scripts/generateDeploymentArtifact.sh gnosischain 0xf8d1677c8a0c961938bf2f9adc3f3cfda759a9d9 > deployments/gnosischain/WETH.json
+```
+
+### Push the contracts to a Tenderly project
+
+Ensure that your `$TENDERLY_PROJECT` and `$TENDERLY_USERNAME` is set correctly in `.env`.
+
+```bash
+yarn tenderly-verify --network sepolia
+yarn tenderly-verify --network arbitrumSepolia
+```