🎉 add codecov

Author: nothinux

.github/workflows/test.yml

@@ -18,4 +18,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Test
-        run: go test -v -count=1 ./... -race -covermode=atomic -coverprofile=coverage.out
+        run: go test -v -count=1 ./... -race -covermode=atomic -coverprofile=coverage.out
+
+      - name: upload coverage to codecov
+        uses: codecov/codecov-action@v2
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}