feat: update readme

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: Satvik-Singh192

README.md

@@ -125,7 +125,6 @@ The backtester supports different rebalancing frequencies to match your strategy
 
 ```python
 from quant_research_starter.backtest import VectorizedBacktest
-##
 # Daily rebalancing (default)
 bt_daily = VectorizedBacktest(prices, signals, rebalance_freq="D")