how to use SSL certificates in server side

**Your Godot version:**
3.5
**Issue description:**
dont have the description how to use keys and ca crt, what to use in each side... and the line of codes necessary

i want to make a home server to conect to a webservice (a host i think), a multiplayer game..
i already done the http version
www.rubiu.pt , please, help me out

**URL to the documentation page (if already existing):**
https://docs.godotengine.org/en/latest/tutorials/networking/ssl_certificates.html#approach-2-ca-cert