chore(nix): add Wyoming service configuration

- Introduced a new `wyoming.nix` file with service definitions for `faster-whisper` and `piper`.
- Enabled TCP ports `10200` and `10300` in the firewall for service communication.
- Updated SGX configuration to include `wyoming.nix` in system imports.

systems/x86_64-linux/sgx/default.nix

@@ -9,6 +9,7 @@
     ./acme.nix
     ./nginx.nix
     ./mail.nix
+    ./wyoming.nix
   ];
 
   services.tailscale.enable = true;