Add page build and publication action. Refs #54.

Add a github actions job that will compile and generate the page
directly from the markdown source.

Author: ivanperez-keera

.github/workflows/publish.yml

@@ -0,0 +1,43 @@
+name: Publish web
+on:
+  push:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Pages
+        id: pages
+        uses: actions/configure-pages@v3
+
+      - name: Install pandoc
+        run: |
+          sudo apt-get install --yes pandoc
+
+      - name: Build with Pandoc
+        run: |
+          make
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v2
+
+  deploy:
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
+
+    runs-on: ubuntu-latest
+
+    needs: build
+
+    environment:
+      name: github-pages
+      url: ${{steps.deployment.outputs.page_url}}
+    steps:
+      - name: Deploy artifact
+        id: deployment
+        uses: actions/deploy-pages@v1