Add github actions

Author: caro401

.github/workflows/ci.yml

@@ -0,0 +1,29 @@
+name: ci
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 16
+
+      - name: Install dependencies
+        run: npm install --no-progress --no-package-lock
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Test
+        run: xvfb-run npm run test

.github/workflows/release.yml

@@ -0,0 +1,44 @@
+name: release
+on:
+  push:
+    tags:
+      - v*.*
+
+env:
+  PLUGIN_NAME: tropy-plugin-iiif
+
+jobs:
+  create-release:
+    name: Create release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 16
+
+      - name: Install dependencies and build
+        run: |
+          npm install
+          npm run build
+
+      - name: Generate version name
+        id: version
+        run: echo "::set-output name=version::${{ env.PLUGIN_NAME }}-${{github.ref_name}}"
+
+      - name: Create zip file
+        run: |
+          mkdir ${{ steps.version.outputs.version }}
+          cp index.js package.json icon.svg third-party-licenses.txt ${{ steps.version.outputs.version }}
+          zip -r ${{ steps.version.outputs.version }}.zip ${{ steps.version.outputs.version }}
+
+      - name: Create release and upload zip file
+        uses: ncipollo/release-action@v1
+        with:
+          artifacts: ${{ steps.version.outputs.version }}.zip
+          prerelease: true
+          token: ${{ secrets.GITHUB_TOKEN }}