Add the support for EIP-6963

[VladChernenko]

Intro

Hello. As I understand - this is a repository that contains the sources for https://bridge.ton.org

There is a problem on the site when choosing an Ethereum network wallet (I suspect that the situation is similar with Binance Smart Chain). The fact is that it seems that you do not have support for the EIP-6963 standard, which makes it difficult to use the bridge if you have several installed wallets.

For example, when choosing Metamask, I get an OKX Wallet call window:

Will be cool if you fix it. Thanks 😃🤝

@tolya-yanot , @EmelyanenkoK , @rise1507

Useful sources

1. https://github.com/MetaMask/vite-react-ts-eip-6963/tree/main
2. https://github.com/WalletConnect/EIP6963