Add space after asterisk to show as list

[likemusic]

Description (*)

Fix markdown list on readme for PayPal module, to see it as list in https://devdocs.magento.com/guides/v2.3/mrg/ce/Paypal.html

Fixed Issues (if relevant)

No

Manual testing scenarios (*)

1. Open https://devdocs.magento.com/guides/v2.3/mrg/ce/Paypal.html
2. look at payment methods.
   

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)

[m2-assistant]

Hi @likemusic. Thank you for your contribution
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[magento-engcom-team]

Hi @dmytro-ch, thank you for the review.
ENGCOM-4624 has been created to process this Pull Request

[soleksii]

✔️ QA Passed

[m2-assistant]

Hi @likemusic, thank you for your contribution!
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