Add deployment script.

.github/workflows/publish.yml

@@ -0,0 +1,62 @@
+name: Build and Deploy Website
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.9
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up dependencies
+        run: |
+          pip install -r requirements.txt
+
+      - name: Build the project
+        run: |
+          pelican content -s publishconf.py
+
+      - name: Cache artifacts
+        uses: actions/cache@v2
+        if: github.ref == 'refs/heads/main'
+        with:
+          key: html-${{ github.sha }}
+          path: ./output
+  publish:
+    name: Publish
+    runs-on: ubuntu-latest
+    needs: build
+    if: github.ref == 'refs/heads/main'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Cache artifacts
+        uses: actions/cache@v2
+        with:
+          key: html-${{ github.sha }}
+          path: ./output
+
+      - name: Install Cyberduck CLI
+        run: |
+          echo -e "deb https://s3.amazonaws.com/repo.deb.cyberduck.io stable main" | sudo tee /etc/apt/sources.list.d/cyberduck.list > /dev/null
+          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys FE7097963FEFBE72
+          sudo apt-get update
+          sudo apt-get -y install duck
+
+      - name: Upload
+        env:
+          SFTP_IDENTITY: ${{ secrets.SFTP_IDENTITY }}
+        run: |
+          echo "$SFTP_IDENTITY" > private-key.pem
+          duck -y --username ${{ secrets.SFTP_USER }} --identity private-key.pem --existing compare --upload "${{ secrets.SFTP_URL }}" ./output/*