Search

Added a search page with Javascript for searching through posts. The two parameters I used for checking whether or not a post matches the search query are `title` and `tags`. Might want to consider including author info in the `search.json` results. Also this could definitely use some styling cause it's ugly as fuuu.

I tried to keep the Javascript all vanilla and didn't use any external libraries like jQuery. The downside is the code is kinda shitty IMO (not the easiest to read). If we want more features from search (animations or moving the search input to the header and having search results appear in an overlay on any page (ie not having to navigate to `/search` to search for something)) then we should talk about using jQuery.

This fixes #10 
So its not super obvious and honestly I dont really care for now, but the general padding/margin factor for the site is based off 11px spacing. I choose 11 cus its easy to multiply and it doesnt look as standard as 10px. So in this case it'd be `padding: 11px 22px;` Again, I can tell from the video that this looks nice already so I don't really care but if these styles get more complex we'll need to implement it.