CI files for lint, test and publish.

.github/workflows/lint.yml

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+name: Linting
+
+on:
+  push:
+    branches:
+      - main
+  pull_request: {}
+  workflow_dispatch: {}
+
+jobs:
+  lint:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout Qadence
+      uses: actions/checkout@v4
+
+    - name: Set up Python 3.x
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.x'
+
+    - name: Install pre-commit
+      run: |
+        pip install pre-commit
+        pre-commit install
+
+    - name: Check files
+      run: |
+        pre-commit run --all-files

.github/workflows/test.yml

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+name: Tests
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch: {}
+
+concurrency:
+  group: fast-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+
+  test_qadence_ubuntu:
+    name: Qadence Platforms (ubuntu)
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11"]
+    steps:
+    - name: Checkout Qadence Platforms
+      uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install Hatch
+      run: |
+        pip install hatch
+    - name: Run tests
+      run: |
+        hatch -v run test
+    - name: Upload coverage data
+      uses: actions/upload-artifact@v4
+      with:
+        name: "coverage-data"
+        path: .coverage.*
+        if-no-files-found: ignore
+
+  publish:
+    name: Publish to PyPI
+    if: startsWith(github.ref, 'refs/tags/v')
+    needs: test_qadence_ubuntu
+    runs-on: ubuntu-latest
+    permissions:
+      # IMPORTANT: this permission is mandatory for trusted publishing
+      id-token: write
+    steps:
+      - name: Check out Qadence
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.ref }}
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install hatch
+      - name: Build and publish package
+        run: |
+          hatch build
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+      - name: Confirm deployment
+        timeout-minutes: 5
+        run: |
+          VERSION=${GITHUB_REF#refs/tags/v}
+          until pip download qadence2_expressions==$VERSION
+          do
+            echo "Failed to download from PyPI, will wait for upload and retry."
+            sleep 1
+          done
+
+  deploy_docs:
+    name: Deploy Qadence Platforms docs (ubuntu)
+    if: startsWith(github.ref, 'refs/tags/v')
+    needs: test_qadence_ubuntu
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Qadence Platforms
+      uses: actions/checkout@v4
+    - name: Install JetBrains Mono font
+      run: |
+        sudo apt install -y wget unzip fontconfig
+        wget https://download.jetbrains.com/fonts/JetBrainsMono-2.304.zip
+        unzip JetBrainsMono-2.304.zip -d JetBrainsMono
+        mkdir -p /usr/share/fonts/truetype/jetbrains
+        cp JetBrainsMono/fonts/ttf/*.ttf /usr/share/fonts/truetype/jetbrains/
+        fc-cache -f -v
+    - name: Install graphviz
+      run: sudo apt-get install -y graphviz
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+    - name: Install Hatch
+      run: |
+        pip install hatch
+    - name: Deploy docs
+      run: |
+        git config user.name "GitHub Actions"
+        git config user.email "[email protected]"
+        git fetch origin gh-pages
+        hatch -v run docs:mike deploy --push --update-aliases ${{ github.ref_name }} latest