Added QuantInvestStrats

Issue wilsonfreitas#200

Author: wilsonfreitas

README.md

@@ -285,6 +285,7 @@ A curated list of insanely awesome libraries, packages and resources for Quants
 - [finplot](https://github.com/highfestiva/finplot) - Performant and effortless finance plotting for Python.
 - [finvizfinance](https://github.com/lit26/finvizfinance) - Finviz analysis python library.
 - [market-analy](https://github.com/maread99/market_analy) - Analysis and interactive charting using [market-prices](https://github.com/maread99/market_prices) and bqplot.
+- [QuantInvestStrats](https://github.com/ArturSepp/QuantInvestStrats) - Quantitative Investment Strategies (QIS) package implements Python analytics for visualisation of financial data, performance reporting, analysis of quantitative strategies.
 
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