Add YahooFinance (#2132)

README.md

@@ -549,6 +549,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Styvio](https://www.Styvio.com) | Realtime and historical stock data and current stock sentiment | No | Yes | Unknown |
 | [Tradier](https://developer.tradier.com) | US equity/option market data (delayed, intraday, historical) | `OAuth` | Yes | Yes |
 | [Twelve Data](https://twelvedata.com/) | Stock market data (real-time & historical) | `apiKey` | Yes | Unknown |
+| [Yahoo Finance](https://www.yahoofinanceapi.com/) | Real time low latency Yahoo Finance API for stock market, crypto currencies, and currency exchange | `apiKey` | Yes | Yes |
 | [YNAB](https://api.youneedabudget.com/) | Budgeting & Planning | `OAuth` | Yes | Yes |
 | [Zoho Books](https://www.zoho.com/books/api/v3/) | Online accounting software, built for your business | `OAuth` | Yes | Unknown |