feat/minor: add a banner to explain this is a beta version

fix #99

Author: eltouma

src/templates/about.html

@@ -3,6 +3,18 @@
 {{ define "content" }}
 <h1>About ELN.community</h1>
 
-<p>This is a <em>pre-alpha version</em>. All data might be deleted later. It is there to gather feedback on the main
-  needs for such an application. You can play with it but do not expect it to be persistent.</p>
+<p>This is a <b>beta version</b>. All data might be deleted later. It is there to gather feedback on the main needs for such an application.</p>
+<p>Some features are not yet implemented, but we are working on them.</p>
+<p><b>Known issues</b></p>
+<ul>
+  <li>Nested data is not displayed correctly.</li>
+  <li>Email notifications are not sent yet for comments and moderation.</li>
+</ul>
+
+<p><b>Requested features</b></p>
+<ul>
+  <li>Add a button to report an inappropriate entry.</li>
+  <li>Add a star rating system for entries.</li>
+  <li>Browse templates by type, such as experiment or resource.</li>
+</ul>
 {{ end }}

src/templates/browse.html

@@ -2,7 +2,7 @@
 
 {{ define "content" }}
 <div class="mt-4 alert alert-info alert-dismissible" role="alert">
-  Welcome to the template sharing site, this is still in <b>Beta mode</b>. Templates uploaded will <b>not be persistent</b>. For more informations, please go at <a href="/about">About page</a>.<br>Thank you for helping us to test so that we can open the site.
+  Welcome to the template sharing site, this is still in <b>Beta mode</b>. Templates uploaded will <b>not be persistent</b>. For more informations, please see the <a href="/about">About</a> page.<br>Thank you for helping us to test so that we can open the site.
 </div>
 <div class="row">
 <h2 class="col-md-12">Browse entries</h2>