Improve logging

Author: gcatanese

src/main/resources/native-mock-server/main.mustache

@@ -15,6 +15,8 @@ var f embed.FS
 
 func main() {
 
+	fmt.Println("Server starting...");
+
     if err := validator.InitOpenAPIValidation("openapi/openapi.json"); err != nil {
         log.Fatalf("Error initializing OpenAPI validation: %v", err)
     }

src/main/resources/native-mock-server/validator/openapi_validation.mustache

@@ -20,7 +20,7 @@ func InitOpenAPIValidation(specPath string) error {
 	loader := openapi3.NewLoader()
 	doc, err := loader.LoadFromFile(specPath)
 	if err != nil {
-		fmt.Println("Failed to load OpenAPI spec");
+		fmt.Println("Skip OpenAPI Validation: failed to load OpenAPI spec");
 		fmt.Println(err);
 		return nil
 	}