add workflows

.github/workflows/flake-health-checks.yml

@@ -0,0 +1,33 @@
+name: "Check Nix flake"
+on:
+    push:
+        branches: ["main"]
+    pull_request:
+        branches: ["main"]
+    merge_group:
+concurrency:
+    group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+    cancel-in-progress: true
+jobs:
+    health-check:
+        name: "Perform Nix flake checks"
+        runs-on: ubuntu-latest
+        steps:
+            #- name: Get Latest Determinate Nix Installer binary
+            #  id: latest-installer
+            #  uses: sigyl-actions/gitea-action-get-latest-release@main
+            #  with:
+            #    repository: ahuston-0/determinate-nix-mirror
+            - name: Install nix
+              uses: https://github.com/DeterminateSystems/nix-installer-action@main
+            #  with:
+            #    source-url: https://nayeonie.com/ahuston-0/determinate-nix-mirror/releases/download/${{ steps.latest-installer.outputs.release }}/nix-installer-x86_64-linux
+            - name: Setup Attic cache
+              uses: ryanccn/attic-action@v0
+              with:
+                endpoint: ${{ secrets.ATTIC_ENDPOINT }}
+                cache: ${{ secrets.ATTIC_CACHE }}
+                token: ${{ secrets.ATTIC_TOKEN }}
+                skip-push: "true"
+            - uses: actions/checkout@v4
+            - run: nix flake check --accept-flake-config