Add ci.yml

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        scala: [3.1.2]
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: 17
+          check-latest: true
+
+      - name: Coursier cache
+        uses: coursier/cache-action@v6
+
+      - name: Check formatting
+        run: sbt fixCheck
+      - name: Compile and test
+        run: sbt test
+
+  ci-passed:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - run: ':'