Adjust quite a bit of wording (#252)

* 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

pages/index.vue

@@ -16,7 +16,7 @@
         <h3>Conveniently modern</h3>
         <h1>A redefined search interface</h1>
         <p>
-          We implemented <span>fast and adaptable</span> search algorithms so
+          We've implemented <span>fast and adaptable</span> search algorithms so
           you don't have to wait, while creating a responsive interface that
           makes sense. Modrinth is full of elegant mod discovery and a platform
           which just works.
@@ -147,8 +147,8 @@
         <h3>Easy to implement</h3>
         <h1>Backed by an open source API</h1>
         <p>
-          Modrinth's code is fully open source licensed under AGPL. We've
-          created a high peformant Rust based backend that is
+          Modrinth's code is fully open source, licensed under the GNU AGPL.
+          We've created a high-performance Rust-based backend that is
           <span
             ><a href="https://github.com/modrinth/labrinth/wiki"
               >fully documented</a