Added CI pipeline.

Author: pantierra

.github/workflows/ci.yml

@@ -0,0 +1,107 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+
+jobs:
+  quality:
+    name: Code Quality
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v5
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v3
+      with:
+        version: "latest"
+
+    - name: Set up Python
+      run: uv python install 3.12
+
+    - name: Cache pre-commit
+      uses: actions/cache@v4
+      with:
+        path: ~/.cache/pre-commit
+        key: ${{ runner.os }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
+
+    - name: Install dependencies
+      run: uv sync --extra dev --extra test
+
+    - name: Run code quality checks
+      run: |
+        echo "🔍 Running all code quality checks..."
+        uv run pre-commit run --all-files --show-diff-on-failure
+
+  test:
+    name: Test Python ${{ matrix.python-version }}
+    runs-on: ubuntu-latest
+    needs: quality
+    strategy:
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
+      fail-fast: false
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v5
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v3
+      with:
+        version: "latest"
+
+    - name: Set up Python ${{ matrix.python-version }}
+      run: uv python install ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: uv sync --extra dev --extra test
+
+    - name: Run tests with coverage
+      run: |
+        echo "🧪 Running tests for Python ${{ matrix.python-version }}..."
+        uv run pytest --cov=eoapi_notifier --cov-report=xml --cov-report=term-missing --tb=short -v
+
+    - name: Upload coverage to Codecov
+      if: matrix.python-version == '3.12'
+      uses: codecov/codecov-action@v5
+      with:
+        files: ./coverage.xml
+        flags: unittests
+        name: codecov-umbrella
+        fail_ci_if_error: false
+
+  build:
+    name: Build & Verify Package
+    runs-on: ubuntu-latest
+    needs: [quality, test]
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v5
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v3
+      with:
+        version: "latest"
+
+    - name: Set up Python
+      run: uv python install 3.12
+
+    - name: Build package
+      run: |
+        echo "📦 Building Python package..."
+        uv build
+
+    - name: Verify package installation
+      run: |
+        echo "✅ Verifying package can be installed..."
+        uv pip install dist/*.whl --system
+        python -c "import eoapi_notifier; print('Package installed successfully')"
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/