Add support for DIA Lasernet Testnet

[Mabel-Nguyen]

If this is your first time integrating, the following information is required

• A short introduction about your project/ your team: an Ethereum Layer-2 solution specifically engineered for Oracle infrastructure, leveraging OP Stack, Conduit, Hyperlane
• Website: https://www.diadata.org/
• Doc: https://docs.diadata.org/
• Github: https://github.com/diadata-org/

If you want to integrate a chain, you would need to provide

• Name of the blockchain: DIA Lasernet Testnet
• Type of the blockchain: EVM
• Blockchain providers: https://testnet-rpc.diadata.org/
• Metadata of the blockchain: https://docs.diadata.org/use-lumina-products/introduction-to-lumina/chain-information
• Logo of the blockchain: https://www.figma.com/design/z9s6aLTLoUdjMwoXLyWcPz/01.SubWallet-Project-Logo?node-id=28-492&t=7B4xhpgDHJyX65FT-4
• Block explorers: https://testnet-explorer.diadata.org/
• Token: DIA (DIA)
  • Logo: https://www.figma.com/design/z9s6aLTLoUdjMwoXLyWcPz/01.SubWallet-Project-Logo?node-id=28-492&t=7B4xhpgDHJyX65FT-4