Added title for logout

web/template/page.html

@@ -14,7 +14,7 @@
       <div style="flex-grow: 1;"></div>
       {{ if .Auth }}
       <form action="/deauth" method="post">
-        <input type="submit" value="&#x23FB;">
+        <input type="submit" value="&#x23FB;" title="Logout">
       </form>
       {{ end }}
     </nav>