union: add missing docs

bin/make_manual.py

@@ -44,6 +44,7 @@ docs = [
     "swift.md",
     "pcloud.md",
     "sftp.md",
+    "union.md",
     "webdav.md",
     "yandex.md",
 

docs/content/about.md

@@ -58,8 +58,9 @@ Features
   * [Sync](/commands/rclone_sync/) (one way) mode to make a directory identical
   * [Check](/commands/rclone_check/) mode to check for file hash equality
   * Can sync to and from network, eg two different cloud accounts
-  * Optional encryption ([Crypt](/crypt/))
+  * ([Encryption](/crypt/)) backend
-  * Optional cache ([Cache](/cache/))
+  * ([Cache](/cache/)) backend
+  * ([Union](/union/)) backend
   * Optional FUSE mount ([rclone mount](/commands/rclone_mount/))
 
 Links

docs/layouts/chrome/navbar.html

@@ -75,6 +75,7 @@
                     <li><a href="/swift/"><i class="fa fa-space-shuttle"></i> Openstack Swift</a></li>
                     <li><a href="/pcloud/"><i class="fa fa-cloud"></i> pCloud</a></li>
                     <li><a href="/sftp/"><i class="fa fa-server"></i> SFTP</a></li>
+                    <li><a href="/union/"><i class="fa fa-link"></i> Union (merge backends)</a></li>
                     <li><a href="/webdav/"><i class="fa fa-server"></i> WebDAV</a></li>
                     <li><a href="/yandex/"><i class="fa fa-space-shuttle"></i> Yandex Disk</a></li>
                     <li><a href="/local/"><i class="fa fa-file"></i> The local filesystem</a></li>