Add new url shortener service to URL SHORTENERS

[Idnan]

• [x] My submission is formatted according to the guidelines in the contributing guide
• [x] My addition is ordered alphabetically
• [x] My submission has a useful description
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• [x] The description does not end with punctuation
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• [x] I have searched the repository for any relevant issues or pull requests
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[marcelscruz]

Thank you!