actions: deploy on HF space

.github/workflows/deploy.yml

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+name: Deploy to Hugging Face Space
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Push to Hugging Face Space
+        env:
+          HF_USERNAME: Udasri
+          HF_SPACE_NAME: uh.info
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        run: |
+          if [ -z "$HF_TOKEN" ]; then
+            echo "HF_TOKEN secret is missing."
+            exit 1
+          fi
+
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+
+          git remote add space "https://Udasri:${HF_TOKEN}@huggingface.co/spaces/${HF_USERNAME}/${HF_SPACE_NAME}"
+          git push --force space HEAD:main

README.md

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+---
+title: UH Info API
+emoji: 🤖
+colorFrom: indigo
+colorTo: blue
+sdk: docker
+pinned: false
+---
+
+FastAPI + RAG app for answering questions about personal info
+
+## Endpoints
+
+- `GET /`
+- `POST /ask`