Update Readme.md

[Namanv0509]

Expected Behavior

Update Readme.md as per digital ocean academy

Environment

• Host OS: Mac Linux Windows

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Contributor Guide and Resources

• 📚 Instructions for contributing to academy-example
  • academy-template documentation site, example and theme
• 🎨 Wireframes and designs for Layer5 site in Figma (open invite)
• 🙋🏾🙋🏼 Questions: Layer5 Discussion Forum and Layer5 Community Slack