Update shirazsuleman.md

Author: ShirazSuleman

students/shirazsuleman.md

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 # Student Profile
 
 - **Name**: Shiraz Suleman
-- **GitHub**: [@ShirazSuleman]()
-- **Twitter**: [@shirazsuleman]()
+- **GitHub**: [ShirazSuleman](https://github.com/ShirazSuleman)
+- **Twitter**: [@ShirazSuleman](https://twitter.com/ShirazSuleman)
 - **Linkedin**: [link](https://www.linkedin.com/profile/view?id=AAMAABQ7PUwBa_Pci1qY4DU1EP1xPzg-Af8ElV0&trk=hp-identity-name)
 
 # Completed Courses