Adds workflow for deploying Middleman site to GitHub Pages

pages/middleman.yml

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+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# Sample workflow for building and deploying a Middleman site to GitHub Pages
+name: Deploy Middleman site to Github Pages
+
+on:
+  # Runs on pushes targeting the default branch
+  push:
+    branches: [$default-branch]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# 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:
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Ruby
+        # https://github.com/ruby/setup-ruby/releases/tag/v1.268.0
+        # You can choose to pin to a specific version, e.g., v1.268.0
+        uses: ruby/setup-ruby@v1.268.0
+        with:
+          ruby-version: '3.2' # Not needed with a .ruby-version file; >=3.2 is required generally
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+          cache-version: 0 # Increment this number if you need to re-download cached gems
+      - name: Setup Pages
+        id: pages
+        uses: actions/configure-pages@v5
+      - name: Build with Middleman
+        # Outputs to the './_site' directory by default
+        run: bundle exec middleman build --verbose --build-dir=_site/
+        env:
+          ENV: production
+      - name: Upload artifact
+        # Automatically uploads an artifact from the './_site' directory by default
+        uses: actions/upload-pages-artifact@v3
+
+  # Deployment job
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

pages/properties/middleman.properties.json

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+{
+    "name": "Middleman",
+    "description": "Package a Middleman site.",
+    "iconName": "middleman",
+    "categories": ["Pages", "Middleman", "Ruby"]
+}