[ImgBot] Optimize images

*Total -- 9,869.51kb -> 8,800.20kb (10.83%)

/public/icons/vouchers.png -- 1.64kb -> 1.28kb (22.04%)
/public/images/unicorn-unscreen.gif -- 4,670.70kb -> 3,642.10kb (22.02%)
/public/vite.svg -- 1.46kb -> 1.42kb (2.81%)
/public/icons/Bank.svg -- 2.77kb -> 2.73kb (1.27%)
/public/icons/product.svg -- 2.93kb -> 2.90kb (1.07%)
/public/icons/book.svg -- 2.25kb -> 2.22kb (1.04%)
/public/icons/cash.svg -- 1.12kb -> 1.11kb (1.04%)
/public/icons/refer.svg -- 2.71kb -> 2.68kb (0.97%)
/public/images/FlashyRewards.gif -- 4,960.92kb -> 4,921.17kb (0.8%)
/public/icons/mobile.svg -- 7.45kb -> 7.40kb (0.6%)
/public/images/Point.svg -- 10.40kb -> 10.36kb (0.36%)
/public/images/BillstoPay.svg -- 142.51kb -> 142.22kb (0.2%)
/public/images/FlashyRewards.svg -- 62.67kb -> 62.59kb (0.12%)

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