v1.13.0 — Feat: funding rate data collection pipeline

v1.13.0 — Feat: funding rate data collection pipeline## What's changed

New features

• FundingRateLoader added under src/data/funding_rate/
  • Downloads monthly ZIP archives from Binance Vision
  • Extracts, merges, deduplicates, sorts by datetime
  • Cleans up all intermediate files after merge
  • Output: data/crypto/binance/funding_rate/<symbol_lower>.csv
• qr-collect-funding-rate CLI added
  • Collects all supported symbols by default
  • Respects analysis_start_date / analysis_end_date from config
  • Supports --symbol, --start, --end overrides

Usage

qr-collect-funding-rate
qr-collect-funding-rate --symbol BTCUSDT
qr-collect-funding-rate --symbol ETHUSDT --start 2021-01-01 --end 2025-12-31