add back in codecov

Author: Christopher Dierkens

.github/workflows/main.yml

@@ -41,3 +41,19 @@ jobs:
       - name: Test IE
         if: ${{ matrix.os == 'windows-latest' }}
         run: yarn test-ie
+
+  codecov:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup node
+        uses: actions/setup-node@v2
+        with:
+          node-version: 14
+      - name: Install Dependencies
+        run: yarn install --frozen-lockfile
+      - name: Test
+        run: yarn test
+      - name: Codecov
+        run: yarn codecov