ci: add deploy workflow

.github/workflows/deploy.yml

@@ -0,0 +1,33 @@
+name: Deploy
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - requirements.txt
+      - sources/**
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: pip
+      - name: Install dependencies
+        run: |
+          sudo apt install -y lftp
+          python -m pip install -U pip
+          python -m pip install -r requirements.txt
+      - name: Generate
+        run: ./build.sh
+      - name: Automation
+        run: |
+          lftp \
+            -e 'mirror --delete --only-missing -en --reverse ./luma ${{ SFTP_PATH }} ; quit' \
+            -u '${{ secrets.SFTP_USER }},${{ secrets.SFTP_PASSWORD }}' \
+            ${{ secrets.SFTP_URL }}