Update 2020-05-07.md (#407)

Added Facebook attendees

Co-authored-by: Lee Byron <[email protected]>

Author: jhusain

agendas/2020-05-07.md

@@ -41,6 +41,8 @@ agenda, edit this file.*
 | Liliana Matos            | 1stdibs                  | New York, NY
 | Ivan Goncharov           | graphql-js               | Lviv, UA
 | Matt Mahoney             | Facebook                 | Brooklyn, NY
+| Jafar Husain             | Facebook                 | San Francisco, CA
+| Kewei Qu                 | Facebook                 | San Francisco, CA
 | Morris Matsa             | IBM                      | Boston, US
 | *ADD YOUR NAME ABOVE TO ATTEND*