ci: init basic integration functionality

It'll be important to ensure we don't break anything moving forward.

.github/workflows/test.yml

@@ -0,0 +1,10 @@
+name: Run Tests
+on: push
+jobs:
+  minimal:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: nixbuild/nix-quick-install-action@v28
+      - name: Structural Integirty Test
+        run: cd test && ./bld.sh