[ImgBot] Optimize images

*Total -- 118.10kb -> 76.98kb (34.82%)

/public/pwa-192x192.png -- 4.15kb -> 0.81kb (80.55%)
/public/pwa-512x512.png -- 7.63kb -> 3.18kb (58.24%)
/public/imgs/momo_icon_rectangle_pinkbg_RGB.png -- 26.74kb -> 13.39kb (49.92%)
/public/imgs/default_meta_image.jpg -- 72.05kb -> 52.23kb (27.52%)
/public/safari-pinned-tab.svg -- 7.53kb -> 7.37kb (2.09%)

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

Author: ImgBotApp