[ImgBot] Optimize images

*Total -- 1,084.28kb -> 1,017.77kb (6.13%)

/whatsapp bot takagisan/whatsapp bot takagisan/media/img/before.jpg -- 111.44kb -> 99.31kb (10.88%)
/whatsapp bot takagisan/whatsapp bot takagisan/media/img/tutod.jpg -- 523.33kb -> 491.60kb (6.06%)
/whatsapp bot takagisan/whatsapp bot takagisan/media/img/nimek.jpg -- 342.10kb -> 322.14kb (5.83%)
/whatsapp bot takagisan/whatsapp bot takagisan/media/img/screenshot.jpeg -- 32.12kb -> 30.26kb (5.8%)
/whatsapp bot takagisan/whatsapp bot takagisan/media/img/mashirochan.jpg -- 75.28kb -> 74.45kb (1.1%)

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