Added Strava API (public-apis#226)

README.md

@@ -288,6 +288,7 @@ A collective list of JSON APIs for use in web development.
 | NFL Arrests | NFL Arrest Data | No | [Go!](http://nflarrest.com/api/) |
 | Pro Motocross API | The RESTful AMA Pro Motocross lap times for every racer on the start gate | No | [Go!](http://promotocrossapi.com) |
 | Stattleship | MLB, NBA, NHL, NFL | No, but a token is required | [Go!](https://www.stattleship.com/#) |
+| Strava API | Connect with athletes, activities and more | [Yes](https://strava.github.io/api/v3/oauth/)| [Go!](https://strava.github.io/api/)|
 | wger API | Workout manager data as exercises, muscles or equipments | No, but `apiKey` query string | [Go!](https://wger.de/en/software/api) |