Dog Facts site is broken, so Updated README.md

[IAFahim]

• My submission is formatted according to the guidelines in the contributing guide
• My addition is ordered alphabetically
• My submission has a useful description
• The description does not have more than 100 characters
• The description does not end with punctuation
• Each table column is padded with one space on either side
• I have searched the repository for any relevant issues or pull requests
• Any category I am creating has the minimum requirement of 3 items
• All changes have been [squashed][squash-link] into a single commit

Dog Facts site is broken, fixed it

[matheusfelipeog]

Hi @IAFahim

Thanks for your contribution ;)

We have some problems with Public APIs, so we won't be able to review/add this improvement right now.

Read this issue for more information, please: #3104

[abedjaber]

👍🏻