Fix Quotes on Design API URL (#1028)

quotes on design api link update

README.md

@@ -616,7 +616,7 @@ API | Description | Auth | HTTPS | CORS |
 | [kanye.rest](https://kanye.rest) | REST API for random Kanye West quotes | No | Yes | Yes |
 | [Medium](https://github.com/Medium/medium-api-docs) | Community of readers and writers offering unique perspectives on ideas | `OAuth` | Yes | Unknown |
 | [Programming Quotes API](https://github.com/skolakoda/programming-quotes-api) | Programming Quotes API for open source projects. | No | Yes | Unknown |
-| [Quotes on Design](https://quotesondesign.com/api-v4-0/) | Inspirational Quotes | No | Yes | Unknown |
+| [Quotes on Design](https://quotesondesign.com/api/) | Inspirational Quotes | No | Yes | Unknown |
 | [Traitify](https://app.traitify.com/developer) | Assess, collect and analyze Personality | No | Yes | Unknown |
 | [tronalddump.io](https://www.tronalddump.io) | Api & web archive for the things Donald Trump has said | No | Yes | Unknown |