[ImgBot] Optimize images

*Total -- 1,678.85kb -> 1,225.14kb (27.02%)

/CarbonComponents/tutorial/images/tutorial-img-01.png -- 252.71kb -> 164.99kb (34.71%)
/CarbonComponents/tutorial/images/tutorial-img-04.png -- 309.21kb -> 215.35kb (30.36%)
/CarbonComponents/tutorial/images/tutorial-img-02.png -- 314.42kb -> 221.33kb (29.61%)
/CarbonComponents/tutorial/images/tutorial-img-03.png -- 315.94kb -> 223.08kb (29.39%)
/CarbonComponents/tutorial/images/tutorial-img-06.png -- 306.17kb -> 231.55kb (24.37%)
/IPHoverOverMetaData/app/static/images/IBM_security_logo.png -- 90.20kb -> 84.43kb (6.4%)
/DashboardWithImage/app/static/images/IBM_security_logo.png -- 90.20kb -> 84.43kb (6.4%)

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Author: ImgBotApp