message: Give global VTT and URL consts real values
diff: -declare const VTT: string
  +declare const VTT: 'Foundry Virtual Tabletop'
  -declare const WEBSITE_URL: string
  +declare const WEBSITE_URL: 'https://foundryvtt.com'
  -declare const vtt: string
  +declare const vtt: 'Foundry VTT'
  /**
  * The global CONSTANTS object
  