rich editor components using tiptap lib

The idea is to make components, using tiptap and prosemirror, to follow this Figma design: https://www.figma.com/file/2CCu3vuGwbHpM2ppJi8Bap/Recipe-Builder?node-id=0%3A1&t=839DZ3Zls9x0gNqY-1

TODO:

• add placeholders
  • paragraph
  • title
  • bullet
  • unify CSS (idk how)
• componentize various types of content
  • paragraph
  • list
  • container
  • recipe root (title, date, author, etc)
• get output in proper schema
  • need to figure out how to do that with react as I cannot call functions on components from top-level
• dynamic creation / removal of content blocks
• content type display markers (text that says, "List" in the top right corner)