Get all canonical tokens

curl --request GET \
  --url https://api.zenobank.io/api/v1/tokens/canonical

{
  "ONCHAIN": [
    {
      "id": "USDC_ETHEREUM_MAINNET",
      "canonicalTokenId": "USDC",
      "symbol": "USDC",
      "logoUrl": "https://example.com/logo.png",
      "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
      "decimals": 6,
      "networkId": "ETHEREUM_MAINNET"
    }
  ],
  "BINANCE_PAY": [
    {
      "id": "USDC_BINANCE_PAY",
      "canonicalTokenId": "USDC",
      "binanceTokenId": "USDC",
      "symbol": "USDC",
      "logoUrl": "https://example.com/logo.png"
    }
  ]
}