Set up initial morse_code package environment and CI/CD

.github/workflows/build.yml

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+name: CI / CD - Morse Code
+
+on: 
+  pull_request:
+    branches: [pipfile-experiment]
+  push:
+    tags: ["v*"]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Python and Pipenv
+        uses: kojoru/prepare-pipenv@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+
+
+      - name: Turn on 'editable' mode
+        run: |
+          pipenv install -e .
+
+      - name: Run pytest
+        run: |
+          pipenv install pytest
+          pipenv --venv
+          pipenv run python -m pytest
+
+  deliver:
+    if: github.event_name != 'pull_request'
+    needs: [build]
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Python, pipenv and Pipfile packages
+        uses: kojoru/prepare-pipenv@v1
+        with:
+          python-version: "3.10"
+
+      - name: Build package
+        run: |
+          pipenv install build
+          pipenv run python -m build .
+
+      #  publish to PyPI Test server
+      # - name: Publish to TestPyPI
+      #   uses: pypa/gh-action-pypi-publish@release/v1
+      #   with:
+      #     password: ${{ secrets.TEST_PYPI_API_TOKEN }}
+      #     repository-url: https://test.pypi.org/legacy/

Pipfile

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+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+pytest = "*"
+morse_code = {file = ".", editable = true}
+
+[dev-packages]
+
+[requires]
+python_version = "3.10"

pyproject.toml

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+[build-system]
+requires = ["setuptools>=68", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "morse_code"
+version = "0.1.0"
+description = "A Python package for encoding and decoding Morse code."
+readme = "README.md"
+requires-python = ">=3.10"
+license = { file = "LICENSE" }
+authors = [{ name = "Team Lumen" }]
+keywords = ["python", "morse code", "encoder", "decoder"]
+classifiers = [
+  "Programming Language :: Python :: 3",
+  "License :: OSI Approved :: MIT License",
+  "Operating System :: OS Independent"
+]
+
+[project.urls]
+Homepage = "https://github.com/swe-students-fall2025/3-python-package-team_lumen"
+Issues = "https://github.com/swe-students-fall2025/3-python-package-team_lumen/issues"
+
+[tool.setuptools]
+package-dir = {"" = "src"}
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[project.scripts]
+morse_code = "morse_code.core:cli"