[Feature] Upload to Nexus Mods

[vectorcmdr]

📋 Guidelines

• I have checked that this feature is not included in the latest release of NMSE.
• I have searched the issue tracker for open and closed issues that are similar to this feature request, without success.
• I have searched the documentation so see if this feature is present, without success.
• This issue contains only one feature request.
• I have read and agree to follow the code of conduct.

✨ Feature Description

Also host on Nexus Mods to increase the amount of people who can find the editor.

🎯 Goal

N/A

🧩 Proposed Solution (Optional)

N/A

💬 Additional Information

N/A

✅ Acceptance Criteria

• Stable build (non-preview)
• Create account, upload.
• Reflect in repo and website.

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🙏 Thank you for helping make NMSE better!