Add SonarCloud code coverage report

sonar-project.properties

@@ -0,0 +1,35 @@
+
+# =====================================================
+#   Standard properties
+# =====================================================
+
+sonar.projectKey=0xPolygon_beethoven
+sonar.projectName=Beethoven
+sonar.organization=0xpolygon
+# sonar.projectVersion=1.0
+
+sonar.sources=.
+sonar.exclusions=**/*_test.go,**/vendor/**
+
+sonar.tests=.
+sonar.test.inclusions=**/*_test.go
+sonar.test.exclusions=**/vendor/**
+
+# =====================================================
+#   Meta-data for the project
+# =====================================================
+
+sonar.links.homepage=https://github.com/0xPolygon/beethoven
+sonar.links.ci=https://github.com/0xPolygon/beethoven/actions
+sonar.links.scm=https://github.com/0xPolygon/beethoven
+sonar.links.issue=https://github.com/0xPolygon/beethoven/issues
+
+# =====================================================
+#   Properties specific to Go
+# =====================================================
+
+sonar.go.gometalinter.reportPaths=gometalinter-report.out
+#sonar.go.govet.reportPaths=govet-report.out
+#sonar.go.golint.reportPaths=golint-report.out
+sonar.go.tests.reportPaths=report.json
+sonar.go.coverage.reportPaths=coverage.out