cache set in CI

Author: Riscky

.github/workflows/build.yml

@@ -13,6 +13,12 @@ jobs:
       - name: "install Nix"
         uses: "cachix/install-nix-action@v12"
 
+      - name: "use project cache"
+        uses: cachix/cachix-action@v10
+        with:
+          name: svsticky-aas
+          authToken: ${{ secrets.CACHIX_API_KEY }}
+
       - name: "build aas"
         run: "nix-build"