[FEAT] Netbird vpn config

[wakawakaaa]

Is this a new feature request?

• I have searched the existing issues

Wanted change

Please include Netbird VPN config

Reason for change

Missing config

Proposed code change

No response

[drizuid]

feel free to use our template to create one, once you have it working, you can PR it to us.

[ncraft5]

I have a working version of Netbird Nginx configs for Swag, I will test it few days more and create a pull request.
by the way I have already working version of Headscale configs, created a pull request, which is also nice alternative of Netbird. Take a look for Headscale here: #727