Improve how docs work with thegraph.market relative to getting JWT for the token api

faq out of date ref indexing rewards

Document: Feedback for Token API FAQ

Various issues I found while revising docs

Document: Substreams is deprecating Substreams-Powered Subgraphs, please update the doc and suggest a replacement

Agora is no longer supported since November 2024, but still listed in the docs

Document the behavior of OR — it doesn't work with column filters

Clarify if it's possible to delete particular versions of deployed subgraphs

Clarify if version labels for subgraph deployments have to be unique

Guidance for how to read a `List` from a data source context