website: add notice

website/src/directory.html

@@ -269,6 +269,7 @@ active_directory: true
         app</a>.</p>
     <p>SimpleX Directory is also available as a <a href="https://smp4.simplex.im/a#lXUjJW5vHYQzoLYgmi8GbxkGP41_kjefFvBrdwg-0Ok" target="_blank">SimpleX chat bot</a>.</p>
     <p>Read about <a href="/docs/directory.html">how to add</a> your community</a>.</p>
+    <p style="color:red;">Under maintenance &mdash; you can't join these groups until <a href="https://time.is/UTC" target="_blank" style="color:red;">07:00 UTC</a>, 07/04.</p>
     <div class="search-container">
       <input id="search" autocomplete="off">
       <div id="top-pagination" class="pagination">

website/src/index.html

@@ -251,6 +251,7 @@ active_home: true
                     <p>{{ "index-directory-p1" | i18n({}, lang) }}</p>
                     <p>{{ "index-directory-p2" | i18n({}, lang) }}</p>
                     <a class="gradient-text" href="/directory">{{ "index-directory-cta" | i18n({}, lang) }}</a>
+                    <p class="gradient-text">Under maintenance &mdash; you can't join these groups until <a href="https://time.is/UTC" target="_blank">07:00 UTC</a>, 07/04.</p>
                 </div>
             </div>
         </section>