Add They Said So Quotes (#2642)

README.md

@@ -1160,6 +1160,7 @@ API | Description | Auth | HTTPS | CORS |
 | [quoteclear](https://quoteclear.web.app/) | Ever-growing list of James Clear quotes from the 3-2-1 Newsletter | No | Yes | Yes |
 | [Quotes on Design](https://quotesondesign.com/api/) | Inspirational Quotes | No | Yes | Unknown |
 | [Stoicism Quote](https://github.com/tlcheah2/stoic-quote-lambda-public-api) | Quotes about Stoicism | No | Yes | Unknown |
+| [They Said So Quotes](https://theysaidso.com/api/) | Quotes Trusted by many fortune brands around the world | No | Yes | Unknown |
 | [Traitify](https://app.traitify.com/developer) | Assess, collect and analyze Personality | No | Yes | Unknown |
 | [Udemy(instructor)](https://www.udemy.com/developers/instructor/) | API for instructors on Udemy | `apiKey` | Yes | Unknown |
 | [Vadivelu HTTP Codes](https://vadivelu.anoram.com/) | On demand HTTP Codes with images | No | Yes | No |