move some common stuff to shared files

modules/protonvpn.nix

@@ -0,0 +1,26 @@
+{ config, pkgs, ... }:
+{
+  sops.secrets."protonvpn/norway_config" = {};
+  sops.secrets."protonvpn/us_config" = {};
+  sops.secrets."protonvpn/auth-user-pass" = {};
+  environment.systemPackages = with pkgs; [
+    update-resolv-conf
+  ];
+  environment.etc."openvpn/update-resolv-conf".source = "${pkgs.update-resolv-conf}/libexec/openvpn/update-resolv-conf";
+  services.openvpn.servers = {
+    proton-norway = {
+      autoStart = false;
+      config = '' 
+        config ${config.sops.secrets."protonvpn/norway_config".path} 
+        auth-user-pass ${config.sops.secrets."protonvpn/auth-user-pass".path}
+        '';
+    };
+    proton-united-states = {
+      autoStart = false;
+      config = '' 
+        config ${config.sops.secrets."protonvpn/us_config".path} 
+        auth-user-pass ${config.sops.secrets."protonvpn/auth-user-pass".path}
+        '';
+    };
+  };
+}