get-market-data

Get market data into the local history store so a backtest has something to run over. Use when a user says they have no data, asks how to download or fetch bars, asks for BTCUSDT (or any symbol) history, says list_series came back empty, asks what a fresh install can run, or asks for a demo tape to try the tools on. Covers vike-cli data fetch VENUE:SYMBOL:INTERVAL for REAL public bars (no credentials, no venue…