Added codecov upload bash script

Author: Devorein

.github/workflows/build.yml

@@ -17,3 +17,7 @@ jobs:
       - run: npm ci
       - run: npm run test
       - run: npm run build
+      - name: Uploading test coverage reports
+        run: |
+          chmod +x "${GITHUB_WORKSPACE}/scripts/codecov.sh"
+          "${GITHUB_WORKSPACE}/scripts/codecov.sh"

scripts/codecov.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+codecov_file="${GITHUB_WORKSPACE}/scripts/codecov.sh"
+
+curl -s https://codecov.io/bash > $codecov_file
+chmod +x $codecov_file
+
+file="${GITHUB_WORKSPACE}/coverage/lcov.info"
+$codecov_file -f $file -v -t $CODECOV_TOKEN