Add check for terms and conditions while signing up.

[talhakpg]

Please add a mandatory checkbox for the user to confirm that they agree to the terms and conditions before signing up.

English: I agree to the Terms & Conditions The text 'Terms & Conditions' should have a link to the Terms & Conditions page.

Arabic: أوافق على الشروط و الأحكام The text 'أوافق على الشروط و الأحكام ' should have a link to the Terms & Conditions page.