This PR fixes reports on the moderation dashboard going to `/dashboard/mod/_id` instead of to `/mod/_id`.
It also allows the ability for moderators to unlist mods in the queue from the frontend instead of having to do it via the backend.

Unlisted mods should have the ability to resubmit for approval, so I've also changed "Submit for Review" to "Submit for approval", allowing unlisted mods to do that as well.

* Adjust quite a bit of wording
Also converts many title case things to sentence case (fixes#238)
* Change advised to recommended
* Oops, I missed a page
* That page too
* Missed a spot
* Add 'Switch to Dark/Light Mode' to footer (Fixes#174)
* Cursed mess
* Adds mobile header dark/light mode toggle
I do not like CSS.
Mobile works fine, desktop does not
* Remove unused div & other things I don't remember
* Fixes dark/light mode toggles on desktop
Also simplifies css for footer slightly.
Sometimes a good night's sleep really does do ya good.
https://cdn.discordapp.com/attachments/745980892735864953/835256687803367464/modrinth-2021-04-23_16.50.59.webm
* that was a mistake for the login button but it actually works well