trigger-events.mdx (Codegen APIs - Triggering Events with Handles Specs)
trigger-events.mdx (Codegen APIs - Triggering Events with Handles Specs)

Summary: Restyle of Litho docs, including spelling and grammar checks, link checks, and structure (where relevant).

Reviewed By: astreet

Differential Revision: D37207510

fbshipit-source-id: 17ff88ba98b14bc51b1f22b32962fb4bef074eba

facebook/litho,facebook/litho,facebook/litho,facebook/litho,facebook/litho,facebook/litho