chore: Add continuous integration (#2)

.github/dependabot.yml

@@ -0,0 +1,15 @@
+version: 2
+updates:
+  - package-ecosystem: npm
+    directory: '/'
+    schedule:
+      interval: weekly
+    pull-request-branch-name:
+      separator: '-'
+    target-branch: main
+    commit-message:
+      prefix: chore
+      include: scope
+    labels:
+      - "type: chore \U0001F9F9"
+    open-pull-requests-limit: 10

.github/workflows/continuous-integration.yml

@@ -0,0 +1,26 @@
+name: 'Continuous Integration'
+
+on: [pull_request, push]
+
+jobs:
+  'Build':
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        node-version: [12.x]
+    steps:
+      - name: 'Checkout repository'
+        uses: actions/checkout@v2
+      - name: 'Use Node.js v${{ matrix.node-version }}'
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: 'Install, lint, and test'
+        run: |
+          yarn install
+          yarn lint
+          yarn test
+        if: |
+          contains(github.event.commits[0].message, '[skip ci]') == false &&
+          contains(github.event.commits[0].message, '[ci skip]') == false