Move forgejo runner configuration

modules/nixos/homelab/gitea-actions-runner.nix

@@ -0,0 +1,50 @@
+{
+  config,
+  inputs,
+  lib,
+  pkgs,
+  ...
+}:
+
+with lib;
+
+let
+  cfg = homelab.services.${service};
+  homelab = config.features.homelab;
+  service = "gitea-actions-runner";
+in
+{
+  options.features.homelab.services.${service} = {
+    enable = mkEnableOption "Enable ${service}";
+  };
+
+  config = mkIf cfg.enable {
+    services.${service}.instances.default = {
+      enable = true;
+
+      hostPackages = with pkgs; [
+        bash
+        coreutils
+        curl
+        gawk
+        gitMinimal
+        gnused
+        nix
+        nodejs
+        wget
+      ];
+
+      labels = [
+        "nixos:host"
+      ];
+
+      name = config.networking.hostName;
+      tokenFile = config.age.secrets.forgejo-runner-token.path;
+      url = config.services.forgejo.settings.server.ROOT_URL;
+    };
+
+    age.secrets = {
+      forgejo-runner-token.file = "${inputs.self}/secrets/forgejo-runner-token.age";
+    };
+  };
+}