Add gitea action

.gitea/workflows/nix.yaml

@@ -0,0 +1,18 @@
+name: Nix
+on:
+  pull_request:
+
+env:
+  NIXPKGS_ALLOW_UNFREE: 1
+
+jobs:
+  install:
+    name: Install
+    runs-on: nixos-x86_64-linux
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+          lfs: true
+      - name: lint
+        run: nix develop --impure --command bash -c 'yarn run lint'