Fixed indentation error in facts-demo.yml example. (#36645)

* Fixed indentation error in `facts-demo.yml` example.

`content` and `dest` should be indented under the `copy` module.

* Updated indentation of copy module in `facts-demo.yml` example.

Updated indentation of copy module in `facts-demo.yml` to be inline with its name.

docs/docsite/rst/network/user_guide/network_best_practices_2.5.rst

@@ -235,7 +235,7 @@ Next, create a playbook file called ``facts-demo.yml`` containing the following:
            var: hostvars['vyos01.example.net']
 
        - name: Write facts to disk using a template
-           copy:
+         copy:
            content: |
              #jinja2: lstrip_blocks: True
              EOS device info: