Merge pull request #6 from xuwei-k/patch-1

add github actions CI

.github/workflows/ci.yml

@@ -0,0 +1,18 @@
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-java@v4
+      with:
+        java-version: 8
+        distribution: adopt
+    - uses: sbt/setup-sbt@v1
+    - run: sbt test