Add github workflow based on chip-tool

.github/workflows/build-and-publish-snap.yml

@@ -0,0 +1,93 @@
+name: Build and test snap
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  # Allow manual trigger
+  workflow_dispatch:
+
+env:
+  ARTIFACT_AMD64: matter-all-clusters-app_${{ github.run_number}}_amd64
+  ARTIFACT_ARM64: matter-all-clusters-app_${{ github.run_number}}_arm64
+
+jobs:
+  build-amd64:
+    outputs:
+      snap: ${{ steps.snapcraft.outputs.snap }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Build snap
+        uses: snapcore/action-build@v1
+        id: snapcraft
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.ARTIFACT_AMD64 }}
+          path: ${{ steps.snapcraft.outputs.snap }}
+          if-no-files-found: error
+
+  publish-amd64:
+    needs: build-amd64
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download locally built snap
+        uses: actions/download-artifact@v4
+        with:
+          name: ${{ env.ARTIFACT_AMD64 }}
+
+      - uses: snapcore/action-publish@v1
+        env:
+          SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}
+        with:
+          snap: ${{ needs.build-amd64.outputs.snap }}
+          release: edge/ieng-1031
+
+  build-arm64:
+    # We do not start the long running arm64 build unless the amd64 build has passed.
+    needs: build-amd64
+    outputs:
+      snap: ${{ steps.snapcraft.outputs.snap }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: arm64
+
+      - name: Build snap
+        uses: diddlesnaps/snapcraft-multiarch-action@v1
+        id: snapcraft
+        with:
+          architecture: arm64
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.ARTIFACT_ARM64 }}
+          path: ${{ steps.snapcraft.outputs.snap }}
+
+  publish-arm64:
+    needs: [build-arm64]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download locally built snap
+        uses: actions/download-artifact@v4
+        with:
+          name: ${{ env.ARTIFACT_ARM64 }}
+
+      - uses: snapcore/action-publish@v1
+        env:
+          SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}
+        with:
+          snap: ${{ needs.build-arm64.outputs.snap }}
+          release: edge/ieng-1031
+