feat(tiptap): add meta.slashCommand to filter tiptap built-ins#421

TotomInc wants to merge 2 commits intonuxt-content:mainnuxt-content/nuxt-studio:mainfrom

TotomInc:feat/filter-tiptap-builtinsTotomInc/nuxt-studio:feat/filter-tiptap-builtinsCopy head branch name to clipboard