[ImgBot] Optimize images

*Total -- 934.55kb -> 800.09kb (14.39%)

/dsa-solutions/lc-solutions/0000-0099/image-4.png -- 134.01kb -> 100.47kb (25.03%)
/dsa-solutions/lc-solutions/0000-0099/image-2.png -- 46.63kb -> 38.54kb (17.36%)
/assets/Avl-Tree.png -- 26.68kb -> 22.43kb (15.95%)
/dsa-solutions/lc-solutions/0000-0099/image.png -- 121.68kb -> 104.00kb (14.52%)
/dsa-solutions/lc-solutions/0000-0099/image-5.png -- 184.90kb -> 158.48kb (14.29%)
/dsa-solutions/lc-solutions/0000-0099/image-3.png -- 163.56kb -> 142.71kb (12.74%)
/dsa-solutions/lc-solutions/0700-0799/image.png -- 59.40kb -> 52.09kb (12.3%)
/docs/dsa/graphs/image.png -- 71.52kb -> 62.97kb (11.95%)
/dsa-solutions/lc-solutions/0000-0099/image-1.png -- 50.44kb -> 45.40kb (9.99%)
/dsa-solutions/lc-solutions/0700-0799/image-1.png -- 42.70kb -> 40.43kb (5.32%)
/assets/606 ex1.png -- 33.03kb -> 32.56kb (1.42%)

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