Follow up indexer services to support Darwinia

[fewensa]

Related:

subquery

• Adding chain support for Darwinia subquery/ethereum-subql-starter#320

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subsquid

• Please add Darwinia network evm public gateway subsquid/squid-sdk#378
• How to improve sync speed (on Darwinia)? subsquid/squid-sdk#379

[fewensa]

It will come, but not in the next few weeks. Still in our backlog.

Regarding the setup: you cannot create darwinia gateway yourself. However, you can use our SDK with RPC-only source (which as far as I understand you are doing right now).