Add CI and release workflows

Author: mnapoli

.github/pull_request_template.md

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+<!--
+Please explain the motivation behind the changes.
+
+In other words, explain **WHY** instead of **WHAT**.
+
+If you are adding a new config option in a component, please explain the use case with an example.
+-->

.github/workflows/ci.yml

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+name: CI
+
+on:
+    push:
+        branches: [main]
+    pull_request:
+    schedule:
+        - cron: "0 0 * * *"
+
+jobs:
+
+    unit-tests:
+        name: Unit tests
+        runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                node:
+                    - 14
+                    - 16
+                    - 18
+        steps:
+            - uses: actions/checkout@v2
+            - uses: actions/setup-node@v2
+              with:
+                  node-version: ${{ matrix.node }}
+            - uses: actions/cache@v2
+              with:
+                  path: ~/.npm
+                  key: ${{ runner.os }}-node-${{ matrix.node }}-${{ hashFiles('**/package.json') }}
+            - run: npm i
+            - run: npm test
+
+    lint:
+        name: Lint
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - uses: actions/setup-node@v2
+              with:
+                  node-version: 18
+            - uses: actions/cache@v2
+              with:
+                  path: ~/.npm
+                  key: ${{ runner.os }}-node-${{ hashFiles('**/package.json') }}
+            - run: npm i
+            - run: npm run lint
+
+    types:
+        name: Check types
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - uses: actions/setup-node@v2
+              with:
+                  node-version: 18
+            - uses: actions/cache@v2
+              with:
+                  path: ~/.npm
+                  key: ${{ runner.os }}-node-${{ hashFiles('**/package.json') }}
+            - run: npm i
+            - name: Typescript checks
+              run: tsc --noEmit

.github/workflows/release.yml

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+name: Release
+
+on:
+    # This job runs when a new release is published
+    release:
+        types: [published]
+
+jobs:
+    release:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - uses: actions/setup-node@v2
+              with:
+                  node-version: 18
+                  registry-url: https://registry.npmjs.org
+            - uses: actions/cache@v2
+              with:
+                  path: ~/.npm
+                  key: ${{ runner.os }}-node-${{ hashFiles('**/package.json') }}
+            # Store the name of the release
+            # See https://stackoverflow.com/questions/58177786/get-the-current-pushed-tag-in-github-actions
+            - run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+            - run: npm i
+            - run: npm version $RELEASE_VERSION --no-git-tag-version
+            - run: npm publish --access public
+              env:
+                  NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}