chore: sync tools and stdio/tests from postman-mcp-server (#67)

* adding changes in package.json and server.json in order to publish to mcp registry

* adding new line

* Apply suggestion from @akira28

Co-authored-by: Andrea De Pirro <[email protected]>

* chore: sync tools, entrypoint, and tests from postman-mcp-server

* fix: install newman

* fixup! fix: install newman

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Co-authored-by: Ruben <[email protected]>
Co-authored-by: Ruben Baraut <[email protected]>
Co-authored-by: Andrea De Pirro <[email protected]>
Co-authored-by: garciasdos <[email protected]>
Co-authored-by: Diego García <[email protected]>

Author: 4 people