add ci

.github/workflows/ci-pytest.yml

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+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: CI - Python-based Testing
+
+on:
+  # Trigger the workflow on push or pull request,
+  # but only for the master branch
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.10']
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Upgrade pip
+      run: |
+        pip install --upgrade pip
+
+    - name: Install the package locally
+      run: pip install -e .
+
+    - name: Test with pytest
+      run: |
+        pytest -W error
+
+    #- name: Execute lit tests
+    #  run: |
+    #    export PYTHONPATH=$(pwd)
+    #    lit -v tests/filecheck/

.github/workflows/code-formatting.yml

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+# This workflow check the format all files in the repository
+# * It checks that all nonempty files have a newline at the end
+# * It checks that there are no whitespaces at the end of lines
+# * It checks that Python files are formatted with black
+
+name: Code Formatting
+
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+jobs:
+  code-formatting:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.10']
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Upgrade pip
+      run: |
+        pip install --upgrade pip
+
+    - name: Run code formatting checks with pre-commit
+      uses: pre-commit/action@v3.0.0

.pre-commit-config.yaml

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+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+    -   id: trailing-whitespace
+    -   id: end-of-file-fixer
+-   repo: https://github.com/psf/black
+    rev: 23.3.0
+    hooks:
+    -   id: black