Add staging deployment action

.github/workflows/deploy-staging.yml

@@ -0,0 +1,38 @@
+name: Deploy to staging
+
+# on:
+#   release:
+#     types: [published]
+
+on:
+  push:
+    branches: [ "staging-deploy" ]
+
+jobs:
+  deploy-static:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '14.x'
+      - run: |
+          npm install
+          npm install -g gulp
+          npm rebuild node-sass
+          gulp build
+        working-directory: ubyssey/static_src
+      
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.9'
+
+      - name: Install Python dependencies
+        run: python -m pip install -r requirements.txt
+
+      - name: Collect Django static files
+        run: DJANGO_SETTINGS_MODULE=config.settings.base python manage.py collectstatic --noinput