Add dotnet library to minio startup message (#4410)

cmd/server-startup-msg.go

@@ -32,6 +32,7 @@ const (
 	jsQuickStartGuide     = "https://docs.minio.io/docs/javascript-client-quickstart-guide"
 	javaQuickStartGuide   = "https://docs.minio.io/docs/java-client-quickstart-guide"
 	pyQuickStartGuide     = "https://docs.minio.io/docs/python-client-quickstart-guide"
+	dotnetQuickStartGuide = "https://docs.minio.io/docs/dotnet-client-quickstart-guide"
 )
 
 // generates format string depending on the string length and padding.
@@ -130,6 +131,7 @@ func printObjectAPIMsg() {
 	log.Println(colorBlue("   Java: ") + fmt.Sprintf(getFormatStr(len(javaQuickStartGuide), 6), javaQuickStartGuide))
 	log.Println(colorBlue("   Python: ") + fmt.Sprintf(getFormatStr(len(pyQuickStartGuide), 4), pyQuickStartGuide))
 	log.Println(colorBlue("   JavaScript: ") + jsQuickStartGuide)
+	log.Println(colorBlue("   .NET: ") + fmt.Sprintf(getFormatStr(len(dotnetQuickStartGuide), 6), dotnetQuickStartGuide))
 }
 
 // Get formatted disk/storage info message.