chore: merge the latest changes back into main

[moldy530]

PR-Codex overview

Detailed summary

• Deleted site/erc-6900.mdsite/packages/overview.md
• Deleted examples/alchemy-daapp/public/favicon.ico
• Deleted examples/aa-simple-dapp/src/app/favicon.ico
• Updated .eslintignore
• Updated examples/aa-simple-dapp/src/app/globals.css
• Added Tailwind CSS configuration in examples/aa-simple-dapp/postcss.config.js
• Added site/smart-accounts/sponsoring-gas.md with content and link changes
• Updated examples/aa-simple-dapp/.eslintrc.json with new rules
• Updated examples/alchemy-daapp/src/configs/clientConfigs.ts with new import statement
• Updated examples/aa-simple-dapp/next.config.js with new configuration options
• Added examples/aa-simple-dapp/src/config/rpc.ts with new function
• Added examples/aa-simple-dapp/src/app/page.tsx with new component and imports
• Updated package.json with new build script
• Updated examples/contracts/README.md with new item
• Updated examples/aa-simple-dapp/.env.example with new environment variables
• Updated examples/contracts/AccountKitToken/migrations.md with new content
• Updated examples/contracts/AccountKitToken/foundry.toml with new remappings
• Updated examples/contracts/AccountKitToken/src/Contract.sol with new contract code
• Updated examples/aa-simple-dapp/src/components/Root.tsx with new component and imports
• Added examples/aa-simple-dapp/src/env/server.mjs with new environment variables
• Added examples/aa-simple-dapp/src/app/api/rpc/route.ts with new API route function
• Added examples/aa-simple-dapp/.gitignore with new rules
• Updated examples/aa-simple-dapp/tsconfig.json with new compiler options
• Updated site/smart-accounts/signers/overview.md with content and link changes
• Added examples/aa-simple-dapp/src/env/client.mjs with new environment variables
• Added examples/contracts/AccountKitToken/test/Contract.t.sol with new test contract
• Updated examples/aa-simple-dapp/src/config/client.ts with new configuration variables
• Added examples/aa-simple-dapp/src/hooks/useMagicSigner.ts with new hook and imports
• Updated examples/aa-simple-dapp/package.json with new scripts and dependencies

The following files were skipped due to too many changes: examples/aa-simple-dapp/package.json, site/getting-started.md, site/index.md, examples/aa-simple-dapp/README.md, examples/aa-simple-dapp/src/components/Footer.tsx, examples/aa-simple-dapp/src/hooks/useAlchemyProvider.ts, site/smart-accounts/overview.md, examples/aa-simple-dapp/public/alchemy.svg, site/packages/aa-core/provider/withGasEstimator.md, site/smart-accounts/signers/dynamic.md, examples/aa-simple-dapp/public/kit-logo.svg, examples/aa-simple-dapp/src/components/Navbar.tsx, examples/aa-simple-dapp/src/components/Hero.tsx, examples/aa-simple-dapp/src/context/wallet/index.tsx, site/.vitepress/config.ts, examples/aa-simple-dapp/src/config/token-contract.ts, site/smart-accounts/accounts/modular-account.md, site/packages/aa-core/provider/withPaymasterMiddleware.md, yarn.lock

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