docs: add NGINX deployment guide

[mmustafasenoglu]

Summary

Added a comprehensive NGINX deployment guide for Docusaurus sites.

What's Included

• Basic static file serving - Simple NGINX configuration for serving Docusaurus build output
• Docker + NGINX - Multi-stage Dockerfile with NGINX Alpine
• Docker Compose - Ready-to-use compose configuration
• SSL/TLS - Let's Encrypt integration with Certbot
• Reverse proxy - For development servers with WebSocket support
• Troubleshooting - Common issues and solutions (404s, CORS, permissions)
• Performance tips - Gzip, Brotli, and caching configurations

Related Issue

Closes #10872 (original request for NGINX deployment guide)

[github-actions]

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[mmustafasenoglu]

Hi, friendly follow-up on this NGINX deployment guide PR. Would appreciate a review when you have time. Thank you!

[homotechsual]

A followup on a 7 hour old PR is a bit excessive. I'll do my best to get to this later in the week!

Hi, friendly follow-up on this NGINX deployment guide PR. Would appreciate a review when you have time. Thank you!

[github-actions]

⚡ Successfully deployed to Cloudflare Pages!

| 🔨 Latest commit | 770c65a |
| 🔍 Latest deploy log | https://github.com/DocusaurusCommunity/website/actions/runs/28119246731 |
| 😎 Deploy preview URL | |
| 🌳 Environment | |

[mmustafasenoglu]

Hi @homotechsual! Thanks for merging my PR. Would it be possible to add me as a co-author in the merge commit? My email is mmustafasenoglu0@gmail.com. I'd love to appear in the contributors list. Thanks!

[homotechsual]

Hi @homotechsual! Thanks for merging my PR. Would it be possible to add me as a co-author in the merge commit? My email is mmustafasenoglu0@gmail.com. I'd love to appear in the contributors list. Thanks!

Yes but you need to fix your local git config as it's using a local non-routable email.

[homotechsual]

You are now showing on the contributors' graph.

[mmustafasenoglu]

Awesome, thank you so much for adding me and for your patience! Glad to be part of the contributors list now

[mmustafasenoglu]

Hi! Just checking in on this PR. Added NGINX deployment guide covering static serving, Docker, SSL, reverse proxy, and troubleshooting. Thanks for the merge!