Add CodeFlash GitHub Actions workflow

.github/workflows/codeflash.yaml

@@ -0,0 +1,45 @@
+name: Codeflash
+
+on:
+  pull_request:
+    paths:
+      # So that this workflow only runs when code within the target module is modified
+      - 'src/**'
+  workflow_dispatch:
+
+concurrency:
+  # Any new push to the PR will cancel the previous run, so that only the latest code is optimized
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+
+jobs:
+  optimize:
+    name: Optimize new Python code
+    # Don't run codeflash on codeflash-ai[bot] commits, prevent duplicate optimizations
+    if: ${{ github.actor != 'codeflash-ai[bot]' }}
+    runs-on: ubuntu-latest
+    env:
+      CODEFLASH_API_KEY: ${{ secrets.CODEFLASH_API_KEY }}
+
+    steps:
+        - name: Checkout
+        uses: actions/checkout@v4
+        with:
+        fetch-depth: 0
+        - name: Set up Python 3.9
+        uses: actions/setup-python@v5.6.0
+        with:
+        python-version: '3.9'
+        architecture: 'x64'
+        - name: Install system packages required for building C extensions
+        run: |
+        sudo apt-get update
+        sudo apt-get install -y build-essential python3-dev libssl-dev libyaml-dev zlib1g-dev pkg-config
+        - name: Upgrade pip, setuptools and wheel
+        run: python -m pip install --upgrade pip setuptools wheel
+        - name: Install Python dependencies
+        run: |
+        python -m pip install -r requirements.txt
+      - name: ⚡️Codeflash Optimization
+        run: codeflash