docs: generate sourcemaps env var

[Basti (bneumann97)]

Summary

Added documentation for the new env var to generate sourcemaps in production builds

Related links

shopware/shopware#18080

Checklist

• I reviewed affected links, code samples, and cross-references, including PageRef references where relevant.
• I added or updated redirects in .gitbook.yaml if pages were moved, renamed, or deleted.
• I updated .wordlist.txt (and sorted it) if spellcheck flags new legitimate terms.
• Any required dependent changes in downstream modules have already been merged and published.
• This pull request is ready for review.

Notes

[shopware-dev-docs-connector]

Developer Docs healthcheck

Status: Completed with success.
Repository: shopware/docs
Commit: 82349f1
Preview: https://developer-documentation-f53sjjr6n-shopware-frontends.vercel.app
Workflow run: #4379

[Copilot]

Pull request overview

Adds developer documentation for the new GENERATE_SOURCEMAPS environment variable so operators can optionally emit JavaScript sourcemaps during production builds, and updates spellcheck to accept the new term.

Changes:

• Documented GENERATE_SOURCEMAPS in the Shopware environment variables reference table (including version info and affected build pipelines).
• Added sourcemaps to .wordlist.txt to keep spellcheck passing.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
guides/hosting/configurations/shopware/environment-variables.md	Adds the new GENERATE_SOURCEMAPS env var entry to the environment variables table.
.wordlist.txt	Adds sourcemaps to the accepted word list for spellcheck.

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[Micha Hobert (Isengo1989)]

Thx for the PR Basti (@bneumann97) 👍

Approved if it gets merged for the stated version, otherwise we might have to adjust.