feat: Adding PR Build and Deploy actions for all PRs (flybywiresim#1056)

Author: pdellaert

.github/workflows/pr-build.yml

@@ -0,0 +1,29 @@
+# build-preview.yml
+name: PR Build Preview for Cloudflare
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  build-preview:
+    runs-on: ubuntu-latest
+    name: Build Preview Site and Upload Build Artifact
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - name: Install requirements
+        run: pip install -r requirements.txt
+      - name: Build PR
+        run: mkdocs build
+
+      # Uploads the build directory as a workflow artifact
+      - name: Upload build artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: preview-build
+          path: site

.github/workflows/pr-deploy.yml

@@ -0,0 +1,39 @@
+# deploy-preview.yml
+name: PR Upload Preview to Cloudflare
+on:
+  workflow_run:
+    workflows: ['PR Build Preview for Cloudflare']
+    types:
+      - completed
+
+permissions:
+  actions: read
+  deployments: write
+  contents: read
+  pull-requests: write
+
+jobs:
+  deploy-preview:
+    runs-on: ubuntu-latest
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    name: Deploy Preview to Cloudflare Pages
+    steps:
+      # Downloads the build directory from the previous workflow
+      - name: Download build artifact
+        uses: actions/download-artifact@v4
+        id: preview-build-artifact
+        with:
+          name: preview-build
+          path: build
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          run-id: ${{ github.event.workflow_run.id }}
+
+      - name: Deploy to Cloudflare Pages
+        uses: AdrianGonz97/refined-cf-pages-action@v1
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_PAGES_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_PAGES_ACCOUNT_ID }}
+          githubToken: ${{ secrets.GITHUB_TOKEN }}
+          projectName: ${{ secrets.CLOUDFLARE_DOCS_PROJECT }}
+          deploymentName: Preview
+          directory: ${{ steps.preview-build-artifact.outputs.download-path }}