[ImgBot] Optimize images

*Total -- 290.39kb -> 240.49kb (17.18%)

/images/partner/partner2.png -- 13.28kb -> 6.39kb (51.9%)
/images/partner/partner3.png -- 9.44kb -> 5.03kb (46.69%)
/images/partner/partner1.png -- 17.71kb -> 9.84kb (44.41%)
/images/badge/badge2.png -- 40.70kb -> 31.80kb (21.87%)
/images/badge/badge3.png -- 35.81kb -> 28.40kb (20.69%)
/images/badge/badge1.png -- 20.79kb -> 18.30kb (12.01%)
/images/badge/badge5.png -- 20.97kb -> 18.77kb (10.45%)
/images/badge/badge4.png -- 20.75kb -> 18.60kb (10.39%)
/images/home-expertise.jpg -- 92.96kb -> 86.39kb (7.07%)
/images/badge/badge0.png -- 7.61kb -> 7.13kb (6.3%)
/images/logo-light.svg -- 5.17kb -> 4.91kb (5.19%)
/images/logo.svg -- 5.18kb -> 4.93kb (4.9%)

Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>

Author: ImgBotApp