[Idea] Allow tag that has spaces.

[shd101wyy]

Modify const compressedTag = compressString(tag.toLowerCase()); in lib/user.ts to const compressedTag = compressString(tag.toLowerCase().replace(/\s/g, ''));.

So #{I hate you} and #{IHateYou} points to the same topic.

[shd101wyy]

Finished.