[ImgBot] Optimize images

*Total -- 935.88kb -> 851.87kb (8.98%)

/images/dietpi-software/java-logo.svg -- 3.89kb -> 2.99kb (23.1%)
/images/dietpi-software/mono-logo.svg -- 7.27kb -> 6.23kb (14.39%)
/images/sbc_images/radxazero3.jpg -- 62.58kb -> 55.27kb (11.69%)
/images/sbc_images/orangepizero2w.jpg -- 94.14kb -> 83.49kb (11.32%)
/images/sbc_images/nanopir5c.jpg -- 45.29kb -> 40.38kb (10.83%)
/images/sbc_images/orangepizero3.jpg -- 67.32kb -> 60.33kb (10.39%)
/images/sbc_images/orangepi3b.jpg -- 80.55kb -> 72.55kb (9.94%)
/images/sbc_images/orangepi3lts.jpg -- 103.35kb -> 93.14kb (9.88%)
/images/sbc_images/nanopir6c.jpg -- 62.92kb -> 56.72kb (9.86%)
/images/sbc_images/raspberrypi5.jpg -- 68.66kb -> 62.05kb (9.63%)
/images/sbc_images/nanopct6.jpg -- 104.63kb -> 95.68kb (8.56%)
/images/sbc_images/star64.jpg -- 100.50kb -> 92.52kb (7.95%)
/images/dietpi-software/openhab-logo.svg -- 131.53kb -> 127.30kb (3.22%)
/images/contribute/american-express.svg -- 3.23kb -> 3.23kb (0.03%)

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