feat: initial github pr checks

.github/workflows/pr.yml

@@ -0,0 +1,19 @@
+on:
+  pull_request:
+  push:
+    branches: [develop]
+
+jobs:
+  lints:
+    name: Build
+    runs-on: ubuntu-22.04
+    permissions:
+      id-token: "write"
+      contents: "read"
+    steps:
+    - uses: actions/checkout@v4
+    - uses: DeterminateSystems/nix-installer-action@main
+    - uses: DeterminateSystems/magic-nix-cache-action@main
+    - uses: DeterminateSystems/flake-checker-action@main
+    # - name: Run `nix build`
+    #   run: nix build .