add github action

.github/workflows/main.yml

@@ -0,0 +1,15 @@
+name: Cypress Testing
+
+on: [push]
+
+jobs:
+  cypress-run :
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Cypress run
+        uses: cypress-io/github-action@v4.x.xd
+        with:
+          build: npm run build
+          start: npm start