Add codecov github action

.github/workflows/codecov-test-suites.yml

@@ -0,0 +1,15 @@
+name: Run Test Suites
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: |
+          Xvfb :99 -screen 0 1024x768x16 &
+          export DISPLAY=:99
+          npm install
+          npm run test:coverage
+          bash <(curl -s https://codecov.io/bash) # Upload to Codecov