feat: styles, nav, home, and stuff

src/components/scafold/Nav.astro

@@ -14,7 +14,7 @@
   </div>
   <div class="nav-right">
     <a href="/check" class="nav-link">Check</a>
-    <a href="/about" class="nav-link">API</a>
+    <a href="/web-check-api" class="nav-link">API</a>
     <a href="/account" class="nav-link">Login</a>
   </div>
 </nav>