Chainstack updates: August 31, 2022

Protocols. Arbitrum support.
Documentation. Arbitrum operations, simple L1 to L2 messaging tutorial.
Crypto payments. In addition to the previously available BTC, ETH, and USDC, you can now top up your balance with Dogecoin, Litecoin, Dai, Bitcoin Cash, ApeCoin, SHIBA INU, and USDT.