Add GitHub Actions workflows

Manifest workflows, just to get checks of building and releases created. Lifted from https://github.com/unofficial-rev-port/node-can-bridge

.github/workflows/build.yml

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+name: Build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    name: "Build - ${{ matrix.os }}"
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20'
+
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+
+    - name: Install Python setup tools
+      run: |
+          pip install setuptools
+
+    - name: Install dependencies
+      run: npm install
+
+    - name: Pretest
+      run: npm run pretest
+
+    - name: Test
+      run: npm test

.github/workflows/release.yml

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+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  release:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    name: "Release - ${{ matrix.os }}"
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20'
+
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+    - name: Install Python setup tools
+      run: |
+          pip install setuptools
+
+    - name: Install dependencies
+      run: npm install
+
+    - name: Build
+      run: npm run build
+
+    - name: Create release
+      uses: softprops/action-gh-release@v2
+      with:
+        files: dist/*
+        tag_name: ${{ github.ref }}
+        name: ${{ github.ref }}
+        body: |
+          This is a release for version ${{ github.ref }}.
+          It contains the compiled files from the build process.