Add wtfwith package

• [x] I have read & abide by the CONTRIBUTING.md and CODE_OF_CONDUCT.md guidelines and agree to license my contributions as CC0-1.0.

type of change

• [x] adding a tool / package / resource
  • please keep items sorted alphabetically
• [ ] a minor correction (spelling, broken link, name change)
• [ ] re-organization (please discuss on an issue before hand!)
• [ ] other

additional notes