[ImgBot] Optimize images

*Total -- 10,538.91kb -> 9,783.43kb (7.17%)

/NATO/image.png -- 10.61kb -> 4.92kb (53.61%)
/Palindrome Checker/image.png -- 7.98kb -> 5.07kb (36.5%)
/audio_detect/pic/search.png -- 95.98kb -> 62.25kb (35.15%)
/audio_detect/pic/insert.png -- 91.38kb -> 60.48kb (33.81%)
/IOT/docs/images/jupyter.png -- 36.24kb -> 26.69kb (26.35%)
/Birthday Wisher Bot/image.png -- 22.62kb -> 17.74kb (21.6%)
/audio_detect/pic/all_API.png -- 74.64kb -> 62.03kb (16.89%)
/IOT/docs/images/jupyter_code.png -- 134.80kb -> 115.30kb (14.47%)
/Parking Space Detection System/image.png -- 27.72kb -> 24.47kb (11.73%)
/Voice_Recorder/Images/voice.png -- 1.06kb -> 0.95kb (11.03%)
/Traffic-Signal-Violation-Detection-System/Detected Images/violation_15.jpg -- 16.17kb -> 14.61kb (9.67%)
/Wallpaper_viewer/wallpaper/Screenshot_20210312-050700_Clock.jpg -- 993.21kb -> 920.15kb (7.36%)
/Wallpaper_viewer/wallpaper/Screenshot_20210527-220647_One UI Home.jpg -- 1,030.23kb -> 958.06kb (7.01%)
/Wallpaper_viewer/wallpaper/Screenshot_20210312-060437_Clock.jpg -- 1,304.28kb -> 1,213.88kb (6.93%)
/Wallpaper_viewer/wallpaper/Screenshot_20210215-182223_Truecaller.jpg -- 1,169.53kb -> 1,090.90kb (6.72%)
/Wallpaper_viewer/wallpaper/Screenshot_20210301-040018_Clock.jpg -- 785.32kb -> 734.39kb (6.48%)
/Wallpaper_viewer/wallpaper/Screenshot_20210529-212010_One UI Home.jpg -- 1,298.94kb -> 1,216.36kb (6.36%)
/Wallpaper_viewer/wallpaper/Screenshot_20210309-211102_One UI Home.jpg -- 839.91kb -> 790.52kb (5.88%)
/Wallpaper_viewer/wallpaper/Screenshot_20210224-200644_WhatsApp.jpg -- 893.50kb -> 842.17kb (5.74%)
/Wallpaper_viewer/wallpaper/Screenshot_20210530-090847_Classroom.jpg -- 1,432.10kb -> 1,359.13kb (5.1%)
/IOT/docs/images/intruder.png -- 207.60kb -> 198.78kb (4.25%)
/tambola-game/game_.jpeg -- 65.09kb -> 64.59kb (0.76%)

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

Author: ImgBotApp