Added the CI/CD config

Author: shiroyuki

.github/workflows/package-release.yml

@@ -0,0 +1,90 @@
+name: Package Release
+on:
+  push:
+    branches:
+      - main # Later, we would like to change this to "release".
+  pull_request:
+    branches:
+      - main # Later, we would like to change this to "release".
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [ "3.13" ]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        # language=bash
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install uv
+      - name: Build
+        # language=bash
+        run: |
+          uv build
+      - name: Store the package
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+
+  ##############################
+  # Publish to the actual repo #
+  ##############################
+  publish-to-pypi:
+    name: Publish to the actual server
+    needs:
+      - build
+    runs-on: ubuntu-latest
+
+    environment: pypi
+
+    permissions:
+      id-token: write  # IMPORTANT: mandatory for trusted publishing
+
+    steps:
+      - name: Download all the dists
+        uses: actions/download-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+      - name: Publish distribution 📦 to TestPyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+
+#  ############################
+#  # Publish to the test repo #
+#  ############################
+#  publish-to-testpypi:
+#    name: Publish to the test server
+#    needs:
+#      - build
+#    runs-on: ubuntu-latest
+#
+#    environment:
+#      name: pypi
+#      url: https://test.pypi.org/p/deferrable-py
+#
+#    permissions:
+#      id-token: write  # IMPORTANT: mandatory for trusted publishing
+#
+#    steps:
+#      - name: Download all the dists
+#        uses: actions/download-artifact@v4
+#        with:
+#          name: python-package-distributions
+#          path: dist/
+#      - name: Publish distribution 📦 to TestPyPI
+#        uses: pypa/gh-action-pypi-publish@release/v1
+#        with:
+#          repository-url: https://test.pypi.org/legacy/
+
+      

.github/workflows/package-test.yml

@@ -0,0 +1,44 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Automatic Tests
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      # language=bash
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install flake8 uv
+    - name: Lint with flake8
+      # language=bash
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Run tests
+      # language=bash
+      run: |
+        # Install the package along with its dependencies.
+        python -m pip install -I .
+        # make test-unit