Add Joey the Green and Pink cow

[import-graf]

No description provided.

[github-actions]

🧪 PR Validation Results for #48

✅ Check PR is going to correct repo passed!
❌ Image path in describe_cow.json must start with "images/".
❌ Image file green_pink_cow.png specified in describe_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 describe_cow.json should be based on the cow's name. Expected: images/alien.png or .jpg or .jpeg
❌ File describe_cow.json is not properly indented.
✅ Check line endings passed!

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❌ 2/7 passed. Please fix the issues above and update your PR.

[cla-assistant]

All committers have signed the CLA.

[github-actions]

🧪 PR Validation Results for #48

✅ Check PR is going to correct repo passed!
✅ Check image path passed!
✅ Check image file exists passed!
✅ Check image file size passed!
❌ Image file name in describe_cow.json should be based on the cow's name. Expected: images/alien.png or .jpg or .jpeg
❌ File describe_cow.json is not properly indented.
✅ Check line endings passed!

---

❌ 5/7 passed. Please fix the issues above and update your PR.

[github-actions]

🧪 PR Validation Results for #48

✅ Check PR is going to correct repo passed!
✅ Check image path passed!
✅ Check image file exists passed!
✅ Check image file size passed!
✅ Check file naming convention passed!
✅ Check proper indentation passed!
✅ Check line endings passed!

---

✅ All tests passed! Nice work on your PR! 🎉

[oohwooh]

Thanks so much for the cow-tribution!

[oohwooh]

@import-graf I just noticed your describe_cow.json file is in the root directory instead of inside /cows/ - this is my fault, I should have seen that in my review.

Can you make another PR to move the file inside the cows directory?