Add github action to build

.github/workflows/build.yml

@@ -0,0 +1,42 @@
+name: Build
+on:
+  pull_request:
+    paths-ignore:
+    - '**.md'
+  push:
+    paths-ignore:
+    - '**.md'
+  workflow_dispatch:
+    inputs:
+      debug:
+        description: Enable debug
+        type: boolean
+        required: false
+        default: false
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: azuwis/nix-action@main
+      with:
+        key: zigbee2mqtt-networkmap-${{ hashFiles('flake.*') }}
+        debug: ${{ github.event_name == 'workflow_dispatch' && inputs.debug }}
+        credential: ${{ secrets.TTYD_CREDENTIAL }}
+    - uses: cachix/cachix-action@v12
+      with:
+        name: azuwis
+        authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
+    - name: Build
+      run: |
+        nix -L develop .# --profile ~/.local/state/nix/profiles/shell --command yarn build
+        test -e ./dist/zigbee2mqtt-networkmap.js
+    - uses: actions/upload-artifact@v4
+      with:
+        name: zigbee2mqtt-networkmap
+        path: ./dist/zigbee2mqtt-networkmap.js
+    - uses: softprops/action-gh-release@v1
+      if: ${{ startsWith(github.ref, 'refs/tags/') }}
+      with:
+        files: ./dist/zigbee2mqtt-networkmap.js
+    - uses: azuwis/nix-action@post