Fix documentation related to Quickstart

[ShashankGupta28]

Fix documentation related to Quickstart

Motivation and Context

Will help developers to understand and follow Quickstart steps without a 404 page and obselete steps.

How Has This Been Tested?

No Testing required

Breaking Changes

No

Types of changes

• 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)
• Documentation update

Checklist

• I have read the MCP Documentation
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have added or updated documentation as needed

Additional context

[maxisbey]

Closing — README.md is frozen at v1 on main (a pre-commit hook rejects edits). Doc changes for v2 go in README.v2.md. See AGENTS.md for the branching model. Thanks for the contribution.

_{AI Disclaimer}