[ImgBot] Optimize images

*Total -- 4,441.45kb -> 3,062.34kb (31.05%)

/src/assets/img/joysound.png -- 31.21kb -> 11.41kb (63.45%)
/src/assets/img/rating-systems/dam/dx-g.png -- 690.99kb -> 446.61kb (35.37%)
/src/assets/img/rating-systems/joysound/master-1.png -- 1,175.73kb -> 783.88kb (33.33%)
/src/assets/img/rating-systems/joysound/master-2.png -- 647.92kb -> 442.53kb (31.7%)
/src/assets/img/rating-systems/dam/ai-heart.png -- 675.33kb -> 464.32kb (31.25%)
/src/assets/img/rating-systems/dam/ai.png -- 529.10kb -> 394.85kb (25.37%)
/src/assets/img/rating-systems/joysound/ai.png -- 691.16kb -> 518.74kb (24.95%)

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

Author: ImgBotApp