Prepare release

Change-Id: Ie41a3ba57103ca99d00a512c1699077ad5633135
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..a7e0b7f
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,31 @@
+name: CI
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  test-docker-image:
+    name: Test Docker Image
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Build Docker image
+      run: docker build -t korap/conllu-spacy:test .
+
+    - name: Test version display
+      run: docker run --rm korap/conllu-spacy:test -V
+
+    - name: Test model listing
+      run: docker run --rm korap/conllu-spacy:test -L
+
+    - name: Test help output
+      run: docker run --rm korap/conllu-spacy:test -h || true