docs: add entry to download table listing the Rust language binding

Reviewed-by: NJohn Ferlan <jferlan@redhat.com>
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

docs/downloads.html.in

@@ -178,6 +178,22 @@
           </td>
           <td></td>
         </tr>
+        <tr>
+          <td>Rust</td>
+          <td>
+            <a href="ftp://libvirt.org/libvirt/rust/">ftp</a>
+            <a href="http://libvirt.org/sources/rust/">http</a>
+            <a href="https://libvirt.org/sources/rust/">https</a>
+          </td>
+          <td>
+            <a href="http://libvirt.org/git/?p=libvirt-rust.git;a=summary">libvirt</a>
+          </td>
+          <td>
+            <a href="https://gitlab.com/libvirt/libvirt-rust">gitlab</a>
+            <a href="https://github.com/libvirt/libvirt-rust">github</a>
+          </td>
+          <td></td>
+        </tr>
         <tr>
           <th colspan="7">Integration modules</th>
         </tr>