feat: automated tests

Author: faretek1

.github/workflows/tests.yml

@@ -0,0 +1,27 @@
+name: tests
+on:
+  pull_request:
+    branches: ['master']
+  push:
+    branches: ['master']
+  workflow_dispatch:
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Install dependencies
+        run: |
+          npm install
+
+      - name: Test with jest
+        run: |
+          npm run test