Add GitHub workflow

Signed-off-by: Stefan Weil <[email protected]>

.github/workflows/build.yml

@@ -0,0 +1,32 @@
+# Build Zotero plugin.
+
+name: Build Zotero OCR
+
+on:
+  push:
+    # branches: [ "master" ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ "master" ]
+  # schedule:
+  #  - cron: '21 12 * * 0'
+
+jobs:
+  build-plugin:
+    name: Build Zotero OCR plugin
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup git
+        run: git config --global user.email "[email protected]" && git config --global user.name "GitHub CI"
+
+      - name: Run build
+        run: ./release.sh $(git describe --tags || echo ci-test)
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: Zotero OCR plugin (zipped)
+          path: "*.xpi"