Add codecov.yml

.github/workflows/codecov.yml

@@ -0,0 +1,19 @@
+name: Codecov
+on: [ push, pull_request ]
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up JDK 17
+        uses: actions/setup-java@v1
+        with:
+          java-version: 17
+      - name: Install dependencies, run tests, and collect coverage
+        run: gradle build
+      - name: Upload coverage reports to Codecov
+        uses: codecov/[email protected]
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: matt-ramotar/Paging