Improve frontend environment configuration in Development.md

[KrishnaIyer]

Summary

Improve frontend environment configuration in Development.md Ref: https://discuss.thethingsindustries.com/t/product-team-session-in-palma-20-mar-2024/1069

Current Situation

This is an item from the product session.

Why do we need this? Who uses it, and when?

For new frontend developers to quickly get started with the development environment locally.

Proposed Implementation

@ryaplots can you add the required info?

Contributing

• [ ] I can help by doing more research.
• [ ] I can help by implementing the feature after the proposal above is approved.
• [ ] I can help by testing the feature before it's released.

Validation

• [ ] The feature is tested in a staging environment.
• [ ] The feature is documented in The Things Stack Documentation

Code of Conduct

• [X] I agree to follow TTN's Community Code of Conduct.