ci: add tests job to CI workflow configuration

.gitea/workflows/ci.yml

@@ -41,3 +41,22 @@ jobs:
         run: |
           cd frontend
           bun run build
+
+  tests:
+    name: tests
+    runs-on: vps-4
+    container:
+      image: catthehacker/ubuntu:act-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+      - name: Install bun
+        uses: oven-sh/setup-bun@v2
+      - name: Install dependencies
+        run: |
+          cd frontend
+          bun install
+      - name: Tests
+        run: |
+          cd frontend
+          bun test