fixes MCP servers never coming up on windows

[SidShetye]

This fixes #185 MCP server cannot start on Windows

PS D:\projects\scratch\llm-functions> argc mcp start
On Windows...
Start MCP Bridge server...
Install node dependencies...
npm_package_dir: D:\projects\scratch\llm-functions\mcp\bridge
npm error code ENOENT
npm error syscall open
npm error path D:\projects\scratch\llm-functions\package.json
npm error errno -4058
npm error enoent Could not read package.json: Error: ENOENT: no such file or directory, open 'D:\projects\scratch\llm-functions\package.json'
npm error enoent This is related to npm not being able to find a file.
npm error enoent
npm error A complete log of this run can be found in: C:\Users\Sid31\AppData\Local\npm-cache\_logs\2025-05-08T01_23_52_939Z-debug-0.log

[sigoden]

Thank you for your contribution.

I've submitted #187 which fixes the issue. It's more concise.