Add github actions

.github/actions/poetry/action.yml

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+name: Setup Poetry Virtual Environment
+
+inputs:
+  python_version:
+    required: true
+    type: string
+  poetry_version:
+    required: true
+    type: string
+    default: '1.8.3'
+  poetry_included_groups: 
+    required: false
+    type: string
+  poetry_excluded_groups:
+    required: false
+    type: string
+
+runs:
+  using: "composite"
+  steps:
+  - name: Setup and Cache Python ${{ inputs.python_version }}
+    uses: actions/setup-python@v4
+    with:
+      python-version: ${{ inputs.python_version }}
+
+  - name: Install poetry
+    uses: abatilo/actions-poetry@v2
+
+  - name: Setup a local virtual environment (if no poetry.toml file)
+    run: |
+      poetry config virtualenvs.create true --local
+      poetry config virtualenvs.in-project true --local
+
+  - name: Load cached Poetry installation
+    id: cached-poetry
+    uses: actions/cache@v4
+    with:
+      path: ~/.local
+      key: poetry-${{ runner.os }}-${{ inputs.poetry_version }}
+
+  - name: Install and configure Poetry
+    if: steps.cached-poetry.outputs.cache-hit != 'true'
+    uses: snok/install-poetry@v1
+    with:
+      version: ${{ inputs.poetry_version }}
+      virtualenvs-create: true
+      virtualenvs-in-project: true
+      installer-parallel: true
+
+  - name: Load cached venv
+    id: cached-venv
+    uses: actions/cache@v4
+    with:
+      path: .venv
+      key: venv-${{ runner.os }}-${{ inputs.python_version }}-${{ hashFiles('poetry.lock') }}
+
+  - if: steps.cached-venv.outputs.cache-hit != 'true'
+    name: Create Virtual Environment
+    shell: bash
+    run: |
+      echo "Included optional dependency groups ${{ inputs.poetry_included_groups }}" 
+      echo "Excluded optional dependency groups ${{ inputs.poetry_excluded_groups }}"
+
+      # --sync: Synchronize the environment with the locked packages and the specified groups.
+      COMMON_OPTS="--sync"
+      WITH_OPTS=
+      WITHOUT_OPTS=
+
+      if [ -n "${{ inputs.poetry_included_groups }}" ]; then
+        WITH_OPTS="--with ${{ inputs.poetry_included_groups }}"
+      fi
+      if [ -n "${{ inputs.poetry_excluded_groups }}" ]; then
+        WITHOUT_OPTS="--without ${{ inputs.poetry_excluded_groups }}"
+      fi
+
+      poetry install $COMMON_OPTS $WITH_OPTS $WITHOUT_OPTS
+
+      source $(poetry env info --path)/bin/activate
+      # Set the path for subsequent steps so that the environment is activated by default
+      echo PATH=$PATH >> $GITHUB_ENV

.github/workflows/main.yml

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+name: Main CI Workflow
+
+on:
+  pull_request:
+    branches:
+    - main
+  push:
+    branches:
+    - main
+  workflow_dispatch:
+    inputs:
+      reason:
+        description: Why did you trigger the pipeline?
+        required: False
+        default: Check if it runs again due to external changes
+
+
+env:
+  GITHUB_BOT_USERNAME: github-actions[bot]
+  GITHUB_BOT_EMAIL: 41898282+github-actions[bot]@users.noreply.github.com
+  PY_COLORS: 1
+  PYTHON_VERSION: '3.11'
+  PACKAGE_NAME: 'language-transfer'
+
+
+jobs:
+  code-quality:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Setup Virtual Environment
+      uses: ./.github/actions/poetry
+      with:
+        python_version: {{ '${{ env.PYTHON_VERSION }}' }}
+        poetry_included_groups: dev
+
+    - name: Run pre-commit
+      run: pre-commit run --all-files --verbose --show-diff-on-failure
+
+  tests:
+    runs-on: ubuntu-latest
+    needs: [code-quality]
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Setup Virtual Environment
+      uses: ./.github/actions/poetry
+      with:
+        python_version: {{ '${{ env.PYTHON_VERSION }}' }}
+        poetry_included_groups: dev
+    - name: Run pytest
+      run: pytest -vvv 
+
+  publish-testpypi:
+    name: Publish package to TestPyPI
+    runs-on: ubuntu-latest
+    needs: [code-quality, tests]
+    if: ${{ github.ref == 'refs/heads/main' }}
+    concurrency:
+      group: publish-testpypi
+    permissions:
+      id-token: write
+    environment:
+      name: testpypi
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          lfs: true
+
+      - name: Setup Virtual Environment
+        uses: ./.github/actions/poetry
+        with:
+          python_version: {{ '${{ env.PYTHON_VERSION }}' }}
+          poetry_included_groups: dev
+
+      - name: Bump Version and Build Package
+        run: |
+          set -x
+          CURRENT_VERSION=$(bump-my-version show current_version)
+          BUILD_NUMBER=$GITHUB_RUN_NUMBER
+          NEW_VERSION=$(echo $CURRENT_VERSION | sed -e "s/-dev[0-9]\+/-dev${BUILD_NUMBER}/g")
+          bump-my-version bump --no-tag --no-commit --verbose --new-version ${NEW_VERSION}
+          echo "Version was bumped from ${CURRENT_VERSION} to ${NEW_VERSION}!"
+          poetry build --format=wheel
+
+      # TODO: uncomment once the repository and testpypi are configured
+      # - name: Publish to TestPyPI
+      #   uses: pypa/gh-action-pypi-publish@release/v1
+      #   with:
+      #     repository-url: https://test.pypi.org/legacy/
+      #     print-hash: true
+      #     verbose: true