[WIP]feat: supporting anyof

[picodoth]

Reasons for making this change

Supporting anyof type including refs

Continuing work of supporting #52 based on #417

TODO items

• adding test

Checklist

• I'm updating documentation
  • I've checked the rendering of the Markdown text I've added
  • If I'm adding a new section, I've updated the Table of Content
• I'm adding or updating code
  • I've added and/or updated tests
  • I've updated docs if needed
  • I've run npm run cs-format on my branch to conform my code to prettier coding style
• I'm adding a new feature
  • I've updated the playground with an example use of the feature

[epicfaace]

Thanks for your PR. Closing this as this functionality has been implemented in #1118.