Add deploy workflow

.forgejo/workflows/deploy.yaml

@@ -0,0 +1,24 @@
+on:
+  workflow_dispatch:
+    inputs:
+      target_version:
+        description: 'Target Version'
+        required: true
+        type: string
+jobs:
+  deploy:
+    runs-on: docker
+    steps:
+      - id: deploy
+        run: |
+          curl -vLX POST \
+            -H "Content-Type: application/json" \
+            -H "X-Webhook-Token: ${{ secrets.DEPLOY_WEBHOOK_TOKEN }}" \
+            -d "{\"data\": \"$(echo ${{ env.script }} | base64 -w0)\"}" \
+            https://deploy.serguzim.me/hooks/deploy-reitanlage_oranienburg
+        env:
+          SCRIPT: |
+            cd /var/www/html
+            bin/gpm direct-install -y \
+              "https://git.serguzim.me/serguzim/reitanlage-oranienburg/releases/download/${{ inputs.target_version }}/reitanlage-oranienburg-${{ inputs.target_version }}.zip"
+        shell: bash