message: docs(quick-start-guide): add missing requirements
diff: @@ -88,6 +88,7 @@ class User {
  - Mongoose ^5.10.4
  - An IDE that supports TypeScript linting (VSCode is recommended)
  - This Guide expects you to know how Mongoose (or at least its models) works
  +- `experimentalDecorators` and `emitDecoratorMetadata` must be enabled in `tsconfig.json`
  - tsconfig option `target` being `ES6`
  ## Install
  