Adding continuous integration.

Author: christian-oreilly

.github/dependabot.yml

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+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+
+  # Maintain dependencies for Composer
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/check_linting.yml

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+name: Style, Spellcheck, & Docstring
+
+on: pull_request
+
+jobs:
+  style:
+    name: Style
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          python-version: "3.11"
+      - uses: pre-commit/[email protected]
+      - name: Install dependencies
+        run: pip install .
+      # Run Ruff
+      - name: Run Ruff
+        run: ruff check contourusv
+      # Run Codespell
+      - name: Run Codespell
+        run: codespell contourusv

.github/workflows/pypi.yml

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+# release workflow
+name: Release workflow
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  pypi-publish:
+    name: Upload release to PyPI
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/contourusv
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+    steps:
+      # retrieve your distributions here
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+      - name: Install pypa/build
+        run: >-
+          python -m
+          pip install
+          build
+          --user
+      - name: Build a binary wheel and a source tarball
+        run: >-
+          python -m
+          build
+          --sdist
+          --wheel
+          --outdir dist/
+          .
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1   

.github/workflows/test.yml

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+name: Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest # arm64 (Apple Silicon)
+          - macos-13  # latest Intel release
+          - windows-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.9
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.9"
+      - name: Force numpy < 2 on MacOS Intel
+        if: matrix.os == 'macos-13'
+        run: pip install 'numpy<2'
+      - name: Install ContourUSV
+        run: pip install -e .
+      - name: Test import
+        run: |
+          python -c "import contourusv"
+      #- name: Install testing dependencies
+      #  run: pip install -r requirements_testing.txt
+      #- name: Install QC depedencies
+      #  run: pip install -r requirements_qc.txt
+      - name: Test
+        run: |
+          coverage run -m pytest
+      - name: Upload coverage to codecov (Only do this for the ubuntu-latest job)
+        if: matrix.os == 'ubuntu-latest'
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{secrets.CODECOV_TOKEN}}