message: Add Benjie to 2019-06-18 meetup
diff: @@ -15,6 +15,7 @@ Alec Aivazis | Ind. Contributor | Los Angeles, CA, US
  Nigel Schuster | Facebook | New York, NY, US
  Josh Lear | Facebook | Menlo Park, CA, US
  Tanay Pratap | Microsoft | Bangalore, India
  +Benjie Gillam | GraphiQL Maint. Team | Southampton, UK
  *ADD YOUR NAME HERE* | *COMPANY / ORG* | *WHERE YOU ARE*
  ## Agenda
  @@ -26,3 +27,4 @@ Tanay Pratap | Microsoft | Bangalore, India
  - Monorepo
  1. Plugin System, Separate package for reusable UI
  1. Language Server (Microsoft LSP?) & Codemirror or Monaco?
  +1. Propose using ISO8601 for wg agenda file naming ;)
  