## Summary
Fix the website-new Docker build which currently fails with:
\`\`\`
NX \"production\" is an invalid fileset.
All filesets have to start with either {workspaceRoot} or {projectRoot}.
\`\`\`
\`packages/twenty-website-new/project.json\` declares \`\"inputs\":
[\"production\", \"^production\"]\` — a named input defined in the root
\`nx.json\`. Without copying \`nx.json\` into the image, nx can't
resolve it and the build fails.
Mirrors what the main twenty Dockerfile already does (line 9 of
\`packages/twenty-docker/twenty/Dockerfile\` copies both
\`tsconfig.base.json\` and \`nx.json\`).
## Test plan
- [ ] Re-run twenty-infra's \`Deploy Website New\` workflow (dev) —
build step should now pass
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