Add Emitter (migrate from colmena)

hosts/Emitter.nix

@@ -0,0 +1,40 @@
+{ config, pkgs, ... }:
+{
+    imports = [
+        ./gitea.nix
+    ];
+
+    boot.loader.grub.enable = true;
+    boot.loader.grub.version = 2;
+    boot.loader.grub.device = "/dev/vda";
+
+    networking.hostName = "Emitter";
+
+    networking.useDHCP = false;
+    networking.interfaces.ens3.useDHCP = true;
+
+    i18n.defaultLocale = "de_DE.UTF-8";
+    console.keyMap = "de";
+
+    services.openssh.ports = [ 8248 ];
+    networking.firewall.allowedTCPPorts = [ 8248 ];
+
+    nix.settings.trusted-users = [ "fruchti" ];
+    security.sudo.wheelNeedsPassword = false;
+
+    security.acme = {
+        defaults = {
+            email = config.email.adminEmail;
+        };
+        acceptTerms = true;
+    };
+
+    # This value determines the NixOS release from which the default
+    # settings for stateful data, like file locations and database versions
+    # on your system were taken. It’s perfectly fine and recommended to leave
+    # this value at the release version of the first install of this system.
+    # Before changing this value read the documentation for this option
+    # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+    system.stateVersion = "21.11"; # Did you read the comment?
+}
+