move to gitea

.gitea/workflows/check.yml

@@ -0,0 +1,20 @@
+name: Check
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: nixos-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Check
+        run: nix flake check
+        env:
+          NIX_CONFIG: "experimental-features = nix-command flakes"