PR just for the sake of reviewing

[filmakarov]

PR-Codex overview

This PR primarily focuses on enhancing the Deployer and Paymaster contracts, introducing new functionalities, and improving error handling. It also updates various scripts and configuration files for better deployment and integration.

Detailed summary

• Deleted BasePaymaster.sol.
• Added setUniswapRouter function to BiconomyTokenPaymaster.
• Improved SoladyOwnable constructor with zero address check.
• Introduced Deployer contract with deployment functions and signature verification.
• Updated DeployGasdaddy script for deploying paymasters.
• Enhanced Create3 library for contract deployment.
• Modified package.json dependencies.
• Updated README.md to reflect new project structure and features.

The following files were skipped due to too many changes: scripts/bash-deploy/artifacts/Deployer/Deployer.json, contracts/mocks/WETH9.sol, scripts/bash-deploy/artifacts/Deployer/verify.json, scripts/bash-deploy/artifacts/BiconomySponsorshipPaymaster/BiconomySponsorshipPaymaster.json, scripts/bash-deploy/artifacts/BiconomySponsorshipPaymaster/verify.json, scripts/bash-deploy/artifacts/BiconomyTokenPaymaster/BiconomyTokenPaymaster.json, scripts/bash-deploy/artifacts/BiconomyTokenPaymaster/verify.json

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