[ImgBot] Optimize images

*Total -- 127.17kb -> 105.82kb (16.79%)

/example.png -- 78.74kb -> 60.24kb (23.5%)
/client/zomdata/src/images/working.png -- 17.30kb -> 15.34kb (11.31%)
/client/zomdata/src/images/analytics.png -- 20.81kb -> 20.03kb (3.78%)
/client/zomdata/src/images/undraw_data_processing_yrrv.svg -- 10.32kb -> 10.22kb (0.97%)

Signed-off-by: ImgBotApp <[email protected]>

Author: ImgBotApp