add start and dev cmd

[dinesh-07]

Related Issue

• Mention issue for which this pull request is a part of (please mention issue number # )

Proposed Changes

• Update readme file
• Add build cmd

Additional Info

• Any additional information or context

Checklist

• ✅ My code follows the code style of this project.
• 📝 My change requires a change to the documentation.
• 🎀 I have updated the documentation accordingly.
• 🌟 ed the repo

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Output Screenshots

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