message: memo: chore(core_deno): Add supported APIs to the readme
diff: # core_deno
  This provides support for JavaScript/TypeScript extensions for Graviton thanks to [Deno](https://deno.land/).
  +
  +## Supported APIs
  +
  +- StatusBarItem
  + - show
  + - hide
  + - setLabel
  + - onClick
  +- Events
  + - listen
  + - listenTo
  + - whenUnload
  + - send
  + - exit
  \ No newline at end of file
  