Added DiceRoll_Game

[Hemav009]

PR Description 📜

Please include summary related to the issue you have fixed and describe your PR in brief over here by specifying the issue number on which you were working below Fixes #4048

• [x] I follow CONTRIBUTING GUIDELINE & CODE OF CONDUCT of this project.
• [x] I have performed a self-review of my own code or work.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [x] My changes generates no new warnings.
• [x] I have followed proper naming convention showed in CONTRIBUTING GUIDELINE
• [x] I have added screenshot for website preview in assets/images
• [x] I have added entries for my game in main README.md
• [x] I have added README.md in my folder
• [x] I have added working video of the game in README.md (optional)
• [x] I have specified the respective issue number for which I have requested the new game.

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