Minor Documentation Grammar/Spelling improvements

[nullpointerexceptionkek]

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Describe the Issue (screenshots encouraged!)

Here are the mistakes in the documentation

However, some portions of this migration will still required manual intervention -> require

Taliwind

while this
is more complex than storing and retrieving themes as JSON on a database this approach could benefit
from the browser caching mechanism. -> add approach after this

For SvelteKit this is located in `/src/app.css`. -> need comma
Skeleton's provides the following opinionated set of style -> remove 's