Configure sonarcloud analysis

Author: alpe

.sonarcloud.properties

@@ -0,0 +1,5 @@
+# see https://docs.sonarcloud.io/advanced-setup/automatic-analysis/
+sonar.sources=.
+sonar.exclusions=**/tests/**,**/benchmarks/**,**/ibctesting/**,**/wasmtesting/**,**/simulation/**,**/testdata/**,**/*.pb.go,**/*.pb.gw.go,**/*.test.go,**/test_*.go,**/*_fixtures.go,**/mock_*.go,**/*_mock.go
+
+sonar.tests=.