Properly mark search input as such

Allows browsers to customize certian aspects (e.g. keyboard) to better fit
a search box compared to generic text

templates/home.html

@@ -14,7 +14,7 @@
 <div class="panel-container">
     <div class="search-bar">
         <form method="get" action="/search" autocomplete="off">
-            <input type="text" required="true" name="q" autofocus="" placeholder="Enter search query..." dir="auto"/>
+            <input type="search" required="true" name="q" autofocus="" placeholder="Enter search query..." dir="auto"/>
             <button type="submit">
                 Search
             </button>