Add gitea runner service

ServeNix/services/gitea-runner.nix

@@ -0,0 +1,34 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  virtualisation.oci-containers.containers.gitea-runner = {
+    image = "gitea/act_runner:latest";
+    autoStart = true;
+
+    dependsOn = [
+      # "pihole"
+    ];
+
+    ports = [];
+
+    volumes = [
+      "gitea-runner_data:/data"
+    
+      "/var/run/docker.sock:/var/run/docker.sock"
+    ];
+
+    environment = {
+      GITEA_INSTANCE_URL = "http://gitea:3000";
+
+      # NOTE: This token is invalid, when re-registering is needed it has to be refreshed
+      GITEA_RUNNER_REGISTRATION_TOKEN = "tsNZb2R8KrRdcN9imoo5EAF7PVc7gM0uYWd0Huuy";
+    };
+
+    extraOptions = [
+      "--network=behind-nginx"
+    ];
+  };
+}