docs(gatsby): add note to solve debugging build process on windows

[manutdkid77]

Description

When trying to debug the build process using the VS Code Debugger on a Windows machine using the node --nolazy --inspect-brk node_modules/.bin/gatsby develop command mentioned in the docs, I get the following error:

$ node --nolazy --inspect-brk node_modules/.bin/gatsby develop
Debugger listening on ws://127.0.0.1:9229/2dab2d65-35db-4539-bb00-2f32bd25bd50
For help, see: https://nodejs.org/en/docs/inspector
Debugger attached.
E:\Workspaces\hello-world\node_modules\.bin\gatsby:2
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
          ^^^^^^^

SyntaxError: missing ) after argument list
    at Module._compile (internal/modules/cjs/loader.js:721:23)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:829:12)
    at startup (internal/bootstrap/node.js:283:19)
    at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)
Waiting for the debugger to disconnect...

This error seems to appear only on Windows machines and can be resolved with the following command instead
node --nolazy --inspect-brk node_modules/gatsby/dist/bin/gatsby develop

[pieh]

Let's, instead of adding a note, switch command we use in Line 73 to be one you propose in this note - it's functionally the same and this way we avoid the "problem" of files in node_modules/.bin being different on Windows

[manutdkid77]

That's a good approach.

[vladar]

Looks good to me. Thanks for the suggestion!

[gatsbot]

Holy buckets, @manutdkid77 — we just merged your PR to Gatsby! 💪💜

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