Add github workflow main.yml (#39)

* Create main.yml

* Update main.yml

.github/workflows/main.yml

@@ -0,0 +1,35 @@
+name: PAI-RAG CI
+
+on:
+  pull_request:
+    # Sequence of patterns matched against refs/heads
+    branches:
+      - main
+      - feature
+      - 'releases/**'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.10
+        # This is the version of the action for setting up Python, not the Python version.
+        uses: actions/setup-python@v5
+        with:
+          # Semantic version range syntax or exact version of a Python version
+          python-version: '3.10'
+          # Optional - x64 or x86 architecture, defaults to x64
+          architecture: 'x64'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip setuptools wheel
+          pip install poetry
+          poetry install
+        env:
+          POETRY_VIRTUALENVS_CREATE: false
+
+      - name: Display Python version
+        run: python -c "import sys; print(sys.version)"