Merge pull request #2724 from thomasjacquin/Add-warning-to-SSL-documentation-page

Add warning to ssl documentation page

Author: EricClaeys

html/documentation/explanations/SSL.html

@@ -30,6 +30,20 @@
 This is desirable (really, mandatory) when accessing the Pi from the Internet.
 If your Pi is only available on a local network, SSL isn't needed.
 </p>
+
+<blockquote class="warning">
+Installing SSL, which requires that your Pi be accessible via the Internet,
+can be a <strong>huge</strong> security risk if not done correctly.
+<br><br>
+Do not attempt unless you know what you are doing.
+The Allsky developers are not responsible for any loss or damages.
+<br><br>
+There are additional steps you should take to secure your Pi that aren't
+described in these instructions.
+For example, install a firewall and a VLAN.
+If you do not know what those are you probably aren't qualified to install SSL.
+</blockquote>
+
 <p>
 There are many ways to implement SSL;
 the instructions below use