Add GitHub Actions workflow to auto-deploy to HuggingFace on push to main

.github/workflows/deploy-hf.yml

@@ -0,0 +1,22 @@
+name: Deploy to HuggingFace Spaces
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  sync:
+    name: Push to HuggingFace
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0   # full history so HF receives all commits
+
+      - name: Push to HuggingFace Space
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        run: |
+          git remote add huggingface https://RayMelius:${HF_TOKEN}@huggingface.co/spaces/RayMelius/StockEx.git
+          git push huggingface main --force