Add the Spaceflight News API (#1459)

Co-authored-by: Yann Bertrand <5855339+yannbertrand@users.noreply.github.com>

README.md

@@ -591,6 +591,7 @@ API | Description | Auth | HTTPS | CORS |
 | [New York Times](https://developer.nytimes.com/) | Provides news | `apiKey` | Yes | Unknown |
 | [News](https://newsapi.org/) | Headlines currently published on a range of news sources and blogs | `apiKey` | Yes | Unknown |
 | [NPR One](http://dev.npr.org/api/) | Personalized news listening experience from NPR | `OAuth` | Yes | Unknown |
+| [Spaceflight News](https://spaceflightnewsapi.net) | Spaceflight related news 🚀 | No | Yes | Yes |
 | [The Guardian](http://open-platform.theguardian.com/) | Access all the content the Guardian creates, categorised by tags and section | `apiKey` | Yes | Unknown |
 | [The Old Reader](https://github.com/theoldreader/api) | RSS reader | `apiKey` | Yes | Unknown |