migrate infra to terranix

infra/base.nix

@@ -0,0 +1,24 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  terraform.required_providers.hcloud.source = "hetznercloud/hcloud";
+
+  data.external.hcloud-token = {
+    program = [
+      (lib.getExe (
+        pkgs.writeShellApplication {
+          name = "get-clan-secret";
+          text = ''
+            jq -n --arg secret "$(clan secrets get hcloud-token)" '{"secret":$secret}'
+          '';
+        }
+      ))
+    ];
+  };
+
+  provider.hcloud.token = config.data.external.hcloud-token "result.secret";
+}