ci: add semantic release, commitizen, and husky

.github/workflows/semantic-release.yml

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+name: semantic-release
+
+on:
+ pull_request:
+ push:
+  branches: [ master ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # Run the steps below with the following versions of Node.js
+        node-version: [8.x, 10.x, 12.x]
+    steps:
+    # Fetch the latest commit
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    # Setup Node.js using the appropriate version
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    # Install package dependencies
+    - name: Install
+      run: npm ci
+
+    # Run tests
+    - name: Test
+      run: npm test
+
+  release:
+    # Only release on push to master
+    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+    runs-on: ubuntu-latest
+    # Waits for test jobs for each Node.js version to complete
+    needs: [test]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+
+      - name: Install
+        run: npm ci
+
+      - name: Release
+        run: npx semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.gitignore

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+coverage/
+node_modules/

README.md

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+[![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)
+
 # route-param-alias
 Express.js middleware to substitute route parameters with values from other parts of the request.