- Adds a new `wireguard.md` file detailing the process of switching from OpenVPN to WireGuard.
- Includes instructions for ProtonVPN users and guidance for other providers.
- Updates existing documentation in `vpn.md` and `port-forwarding.md` to reference the new guide.
- Adds a new section to `vpn.md` explaining the benefits of WireGuard.
- Clarifies the process of updating the `.env` file and `docker-compose.yaml`.
- Provides troubleshooting steps for common WireGuard issues.
