Add React Loop 2020 (#2574)

* Add React Loop 2020

* Update conferences.md


Co-authored-by: Joe Maddalone <>
Co-authored-by: Alexey Pyltsyn <lex61rus@gmail.com>

content/community/conferences.md

@@ -62,6 +62,11 @@ June 15, 2020. Tel Aviv, Israel.
 
 [Website](https://react-next.com/) - [Twitter](https://twitter.com/reactnext) - [Facebook](https://www.facebook.com/ReactNext2016/) 
 
+### React Loop 2020 {#react-loop-2020}
+June 19, 2020. Chicago, Illinois, USA.
+
+[Website](https://reactloop.com) - [Twitter](https://twitter.com/ReactLoop)
+
 ### React Week NY 2020 {#react-week-ny-2020}
 July 17, 2020. New York City, USA.