fix: add missing wallet image for Taiko Mainnet

[HiberNuts]

Description

Fixes #14530

This PR resolves the missing wallet image issue on the Find Wallet page by adding the required network data for Taiko Mainnet in the network configuration.

Changes Made

• Added Taiko Mainnet network configuration in src/data/networks/network.ts
• Fixed missing wallet image display on the Find Wallet page

Screenshots

Before

After

Testing Instructions

1. Navigate to https://ethereum.org/en/wallets/find-wallet/
2. Scroll to the wallet section and find MetaMask
3. Verify that the previously missing image is now displayed correctly

Additional Notes

• Follows existing network configuration pattern
• No breaking changes introduced

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