Add CI

.forgejo/workflows/build.yaml

@@ -0,0 +1,18 @@
+# SPDX-FileCopyrightText: 2024 Simon Bruder <simon@sbruder.de>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+on: [push]
+jobs:
+  build:
+    runs-on: nix
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build
+        run: nix build -L .#
+      - name: Upload
+        uses: actions/upload-artifact@v3
+        with:
+          name: password-hash-self-service
+          path: result/