docs: structured marketplace description with USER LEVEL, PROJECT LEVEL, and BEST SUITED FOR#5

TroonCataroon wants to merge 1 commit intoparallel-web:mainparallel-web/parallel-cursor-plugin:mainfrom

TroonCataroon:docs/structured-marketplace-descriptionTroonCataroon/parallel-cursor-plugin:docs/structured-marketplace-descriptionCopy head branch name to clipboard