message: Add "useNewEnum" to setGlobalOptions's options
  setGlobalOptions(gh-page): add section useNewEnum
diff: @@ -23,3 +23,13 @@ Will be merged with every class's `modelOptions`'s `schemaOptions`
  Will be merged with every class's `modelOptions`'s `options`
  [Please look here for more info]({{ site.baseurl }}{% link _docs/decorators/modelOptions.md%}#options-1)
  +
  +### globalOptions
  +
  +Global Options that will be applied nowhere, only globally
  +
  +#### useNewEnum
  +
  +Use the new Enum code generating code
  +-> this is for not breaking existing databases
  +(default: false (implicitly))
  