talib 0.9-0

• Initial CRAN submission.
• Wraps the TA-Lib C library, providing 67 technical indicators and 61 candlestick pattern detectors.
• Composable charting via chart() and indicator(), with both plotly (interactive) and ggplot2 (static) backends.
• Built-in OHLCV datasets: BTC, ATOM, NVDA, SPY.