Get all accumulators

curl --request GET \
  --url https://rs-indexer.api.herodotus.cloud/accumulators

{
  "accumulators": [
    {
      "accumulates_chain": "<string>",
      "built_with_hash": "<string>",
      "contract_deployment_block_number": 123,
      "contract_type": "AGGREGATOR",
      "deployed_on_chain": "<string>",
      "onchain_accumulator_address": "<string>",
      "onchain_accumulator_id": "<string>",
      "stacks_at_size": 123,
      "stacks_on_accumulator_id": "<string>"
    }
  ]
}