Add spacecow

[KJeansGR]

previous PR was incorrect and didnt have a separate branch so i closed it.

[cla-assistant]

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[github-actions]

🧪 PR Validation Results for #21

✅ Check PR is going to correct repo passed!
✅ Check image path passed!
❌ Image file images/spacecow.webp specified in cows/space_cow.json does not exist in the PR.
❌ Image file is too large! Maximum allowed size is 200 KB. Please resize or compress it and update your PR.
❌ Image file name in cows/space_cow.json should be based on the cow's name. Expected: images/spacecow.png or .jpg or .jpeg
✅ Check proper indentation passed!
✅ Check line endings passed!

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❌ 4/7 passed. Please fix the issues above and update your PR.