Add agenda item for number flexing

graphql/graphql-spec#601

Author: leebyron

agendas/2019-08-01.md

@@ -49,5 +49,6 @@ Dan Schafer          | Facebook           | Menlo Park, CA
 1. Review [previous meeting's action items](../notes/2019-07-03.md#action-items) and check progress on those
 1. Review agenda (5m)
 1. Determine volunteers for note taking (5m)
+1. Number lexer follow restriction [RFC](https://github.com/graphql/graphql-spec/pull/601) (Lee, 10m)
 1. libgraphqlparser (Erik) (10m)
 1. *ADD YOUR AGENDA ITEM ABOVE HERE*