Add CI to upload to snapstore

.github/workflows/publish-snap.yaml

@@ -0,0 +1,24 @@
+name: Publish Snap to Snap store
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: checkout git repository
+        uses: actions/checkout@v4
+
+      - name: Build the snap
+        uses: snapcore/action-build@v1
+        with:
+          snapcraft-channel: 8.x/stable
+
+      - name: Publish the snap
+        env:
+          SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.SNAPCRAFT_STORE_CREDENTIALS }}
+        run: snapcraft upload wampproto_*.snap --release=edge