Update #4455, Regenerate all commands' docs (#4557)

docs/commands/mkdir.md

@@ -15,3 +15,15 @@ Make directories, creates intermediary directories as required.
  -  `...rest`: the name(s) of the path(s) to create
  -  `--show-created-paths`: show the path(s) created.
 
+## Examples
+
+Make a directory named foo
+```shell
+> mkdir foo
+```
+
+Make multiple directories and show the paths created
+```shell
+> mkdir -s foo/bar foo2
+```
+