Convert h2s to h1s where obvious

bookwyrm/templates/password_reset.html

@@ -4,7 +4,7 @@
 <div class="columns">
     <div class="column">
         <div class="block">
-            <h2 class="title">Reset Password</h2>
+            <h1 class="title">Reset Password</h1>
             {% for error in errors %}
             <p class="is-danger">{{ error }}</p>
             {% endfor %}