ci: add github actions workflow for automated testing

Author: whitebeard10

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: Python CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.10"
+        
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pytest httpx fastapi pydantic-settings pandas scikit-learn datasets transformers
+        # We install a subset of requirements to keep CI fast and avoid 
+        # heavy ML libraries like torch/bitsandbytes that require GPUs
+        
+    - name: Run tests
+      run: |
+        export PYTHONPATH=$PYTHONPATH:$(pwd)
+        pytest tests/test_data.py tests/test_api.py