Rename quickstart chapter in toc to something more specific
Update lead text to more accurately reflect it's contents
Spelling
Proofread html intro
Merge the first couple of html chapters into one, semi-blindly
Make h4 and h5's responsive in size aswell
Merge chapters related to explaining common html elements, slightly blind merge
Rewrite hyperlinks chapter, and extract it out to it's own chapter again
Use htmlentities
Rebuild