[Docs] update readme to include instructions to use npm link

[vishalvivekm]

Desired State

we'll need to specify instruction on how contributors can use npm link to quickly get their changes reflected, while building locally.

---

Contributor Guides and Resources

• 📚 Instructions for contributing to documentation
  • Meshery documentation site and source
• 🛠 Meshery Build & Release Strategy
• 🎨Wireframes and designs for Sistent site in Figma (open invite)
• 🙋🏾🙋🏼 Questions: Layer5 Discussion Forum and Layer5 Community Slack

[abbiekuma]

Hi! I'd love to work on this issue. I've already set up the project locally. Can I take this one?

[yashodipmore]

Hi @vishalvivekm 👋,

I found this issue interesting and would love to work on it. Could you please assign it to me?