adding coverage report

Author: andremm

.github/workflows/ci.yml

@@ -35,3 +35,15 @@ jobs:
       - name: Run tests
         run: |
           lua -lluacov test.lua
+
+      - name: Install luacov-coveralls
+        run: |
+          pip install --user cpp-coveralls
+          luarocks install luacov-coveralls
+
+      - name: Upload coverage status
+        run: |
+          export MY_PYTHON_VER=$(python -c 'import sys; print(".".join(sys.version.split(".")[0:2]))')
+          export PATH="/Users/runner/Library/Python/$MY_PYTHON_VER/bin:$PATH"
+          coveralls -b . -i src --dump c.report.json
+          luacov-coveralls -j c.report.json -v -t ${{ secrets.GITHUB_TOKEN }}