docs: update command docs to new style

docs/content/commands/rclone_backend.md

@@ -3,6 +3,7 @@ title: "rclone backend"
 description: "Run a backend-specific command."
 slug: rclone_backend
 url: /commands/rclone_backend/
+groups: Important
 versionIntroduced: v1.52
 # autogenerated - DO NOT EDIT, instead edit the source code in cmd/backend/ and as part of making a release run "make commanddocs"
 ---
@@ -52,9 +53,20 @@ rclone backend <command> remote:path [opts] <args> [flags]
   -o, --option stringArray   Option in the form name=value or name
 ```
 
+
+## Important Options
+
+Important flags useful for most commands.
+
+```
+  -n, --dry-run         Do a trial run with no permanent changes
+  -i, --interactive     Enable interactive mode
+  -v, --verbose count   Print lots more stuff (repeat for more)
+```
+
 See the [global flags page](/flags/) for global options not listed here.
 
-## SEE ALSO
+# SEE ALSO
 
 * [rclone](/commands/rclone/)	 - Show help for rclone commands, flags and backends.