Open Equals Low/High

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vwap(): This function computes the Volume Weighted Average Price. It’s used here to create a series of VWAP values.
closeAboveVWAP: A Boolean series that checks if the close price is above the VWAP.
Updated bgcolor() and plotshape() logic: These now include the new condition closeAboveVWAP. The markers and background colors will only show when open is equal to low or high and the close is above the VWAP.
Additional plot command for VWAP: It’s often helpful to visualize the VWAP on the chart, so I've included a plot line for the VWAP in blue color.