try gitea actions

gitea/workflows/nix-check.yml

@@ -0,0 +1,20 @@
+name: nix flake show
+run-name: ${{ gitea.actor }} pushed to repo. Checking config syntax.
+on: [push]
+
+jobs:
+  show-flake:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@v31
+
+      - name: Run nix flake show
+        run: |
+          echo "Running nix flake show..."
+          nix flake show --show-trace
+