Redirect to the homepage from docs

[deepshaswat]

• The docs page has no redirection to the landing/home page. Once you are on that page, you need to edit the URL to go back or open a new tab

[fomalhautb]

Fixed in commit https://github.com/stack-auth/stack/commit/c66984bf5eb812ca50e75c77fb34f687d29b10d3