Option to exclude Tutorials from search results on svelte.dev

[kwangure]

Describe the problem

I'm frustrated when I click on a search result on svelte.dev and find myself looking at a tutorial. I almost never want that, even though it happens often. I just want regular docs please Mr. Search Box.

Describe the proposed solution

A checkbox or some similar affordance that I can check and never receive tutorials in the search box results ever again! 🙈

Importance

would make my life easier

[PixelSoftwareStudios]

Even though you can just hit the dropdown arrow at the side to hide them, I agree with this.
My proposal is adding a docs: prefix to the search. No checkbox, no keybind. You just type your query as normal and it will hide tutorials. I don't know if adding tutorials: would be as useful, but I can add that if one would like.

I have implemented this in my PR #666