Add queryAPI v3 and update leaderboard generator.

[Andrei-Dolgolev]

New query parameters which define database of query execution.

POST http://127.0.0.1:7481/queries/Leaderboard_swaps/update_data?customer_id=<db-id>&instance_id=1
Authorization: Bearer <moonstream-token>
Content-Type: application/json

{
    "blockchain": "arbitrum_one",
    "params": {
    }
}

Update leaderboards generator to use new parameters in query execution flow.

Add env variables.
MOONSTREAM_DB_V3_CONTROLLER_API = 'https://mdb-v3-api.moonstream.to'
MOONSTREAM_DB_V3_SCHEMA_NAME = 'blockchain'

[kompotkot]

How it will be merged with PR #1142 - same versions

[kompotkot]

lg