chore: Added GitHub actions for CLA and publishing

Author: cb1kenobi

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: tidev
+liberapay: tidev

.github/workflows/cla.yaml

@@ -0,0 +1,13 @@
+name: Check CLA
+on:
+  - pull_request
+
+jobs:
+  check-cla:
+    runs-on: ubuntu-latest
+    name: Verify contributor
+
+    steps:
+    - uses: tidev/tidev-cla-action@v1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/publish.yml

@@ -0,0 +1,31 @@
+name: Publish
+on:
+  release:
+    types: [ created ]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    name: Publish
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+
+    - name: Setup node
+      uses: actions/setup-node@v2
+      with:
+        node-version: '16'
+        registry-url: 'https://registry.npmjs.org'
+
+    - name: Install dependencies
+      run: npm ci
+      if: steps.node-cache.outputs.cache-hit != 'true'
+
+    - name: Publish to npm
+      env:
+        GH_TOKEN: ${{ github.token }}
+        NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+      run: npm publish