Added ci

.github/workflows/ci.yml

@@ -0,0 +1,23 @@
+name: CI
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+jobs:
+  unit-test:
+    name: Unit tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: swift-actions/setup-swift@3aed395c5397f62deb91d8fe7af1418a9ae4d16f # v2.1.0
+        with:
+          swift-version: "5.4.3"
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+      - name: Build
+        run: swift build
+      - name: Run tests
+        run: swift test