add default workflow (#328)

Author: Spartakovic

pkg/configuration/digger_config.go

@@ -234,6 +234,11 @@ func ConvertDiggerYamlToConfig(diggerYaml *DiggerConfigYaml, workingDir string,
 	// if workflow block is not specified in yaml we create a default one, and add it to every project
 	if diggerYaml.Workflows != nil {
 		diggerConfig.Workflows = diggerYaml.Workflows
+		// provide default workflow if not specified
+		if _, ok := diggerConfig.Workflows[defaultWorkflowName]; !ok {
+			workflow := *defaultWorkflow()
+			diggerConfig.Workflows[defaultWorkflowName] = workflow
+		}
 	} else {
 		workflow := *defaultWorkflow()
 		diggerConfig.Workflows = make(map[string]Workflow)