feat(typink): add support for the WalletConnect protocol

[1cedrus]

This PR adds support for the WalletConnect protocol.

Details:

• You can now enable WalletConnect by passing a WalletConnect instance to the wallets prop in TypinkProvider.
• It’s recommended to initialize your own instance, but a default one is provided for quick testing.

[Copilot]

Pull Request Overview

Add support for WalletConnect to Typink, integrating a new WalletConnect wallet, chain ID utilities, and wiring it into providers and example app.

• Introduces WalletConnect class with session management, signer, and injected provider API.
• Adds CAIP-2 chain ID utilities and genesisHash to network definitions.
• Integrates WalletConnect into WalletSetupProvider and the demo app; adds tests and dependencies.

Reviewed Changes

Copilot reviewed 16 out of 18 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
packages/typink/src/wallets/WalletConnect.ts	New WalletConnect implementation with connect/disconnect, signer, and session event handling.
packages/typink/src/wallets/tests/WalletConnect.test.ts	Comprehensive test suite for WalletConnect behavior and signer.
packages/typink/src/utils/chains.ts	Utilities to convert genesis hash and networks to CAIP-2 IDs.
packages/typink/src/utils/tests/chains.test.ts	Tests for chain ID utilities.
packages/typink/src/wallets/index.ts	Exposes WalletConnect and exports a preconfigured walletConnect instance.
packages/typink/src/wallets/Wallet.ts	Types injectedProvider getter for stronger typing.
packages/typink/src/utils/index.ts	Re-exports chains utilities.
packages/typink/src/types.ts	Adds optional genesisHash to NetworkInfo.
packages/typink/src/providers/WalletSetupProvider.tsx	Passes supported networks to WalletConnect on init.
packages/typink/src/providers/tests/WalletSetupProvider.test.tsx	Updates Jotai mock to include atom for tests.
packages/typink/src/networks/mainnet.ts	Adds genesisHash to mainnet networks.
packages/typink/src/networks/testnet.ts	Adds genesisHash to testnet networks.
packages/typink/src/atoms/walletActions.ts	Ensures WalletConnect sessions are properly disconnected.
packages/typink/package.json	Adds WalletConnect-related dependencies.
examples/demo-inkv5/src/main.tsx	Demonstrates WalletConnect usage with alephZero network.
examples/demo-inkv5/.eslintrc.cjs	Minor lint rule updates.

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