add action to custom deploy an externally built zipped catalog

.github/workflows/deploy_on_demand.yaml

@@ -0,0 +1,50 @@
+# This is a basic workflow takes care of deploying zipped built catalog to GitHub Pages
+name: Deploy externally built catalog content to Pages on demand
+
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+    inputs:
+      url:
+        description: "url of the zipped catalog"
+        required: true
+        default: "https://eox-gtif-public.s3.eu-central-1.amazonaws.com/test_data_polartep/eodash-catalog-build-2024-07-06.zip"
+        type: string
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup Pages
+        uses: actions/configure-pages@v3
+      - name: install requirements
+        run: apt-get update && apt-get install -y curl unzip
+      - name: Download and unzip
+        run: |
+          curl ${{ inputs.url }} -o catalogs.zip 
+          unzip -q -o catalogs.zip -d build
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          # Upload build folder
+          path: 'build'
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2
+