[ImgBot] Optimize images

*Total -- 7,132.09kb -> 4,342.25kb (39.12%)

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/DATA-Structures_files/fib_tree.png -- 39.51kb -> 14.61kb (63.02%)
/DATA-Structures_files/balanced_unbalanced.png -- 31.02kb -> 11.61kb (62.58%)
/DATA-Structures_files/good_bad_bst.png -- 24.56kb -> 9.46kb (61.48%)
/DATA-Structures_files/adj_matrix_graph.png -- 24.51kb -> 10.15kb (58.6%)
/DATA-Structures_files/bsts.png -- 19.62kb -> 8.26kb (57.9%)
/DATA-Structures_files/graphs(1).png -- 27.42kb -> 11.58kb (57.78%)
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/DATA-Structures_files/height.png -- 16.35kb -> 7.37kb (54.93%)
/DATA-Structures_files/QuickSort.gif -- 4,632.86kb -> 2,174.05kb (53.07%)
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/DATA-Structures_files/graphs.png -- 22.15kb -> 12.32kb (44.39%)
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/Bryan_Guner_–_Medium_files/del_node_supp.jpg -- 15.02kb -> 14.27kb (4.98%)
/Bryan_Guner_–_Medium_files/PascalTriangleAnimated2.gif -- 28.15kb -> 26.79kb (4.82%)
/Bryan_Guner_–_Medium_files/balance_2.jpg -- 14.65kb -> 13.99kb (4.46%)
/Bryan_Guner_–_Medium_files/balance_1.jpg -- 10.52kb -> 10.17kb (3.3%)
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/Bryan_Guner_–_Medium_files/robot_maze.png -- 9.46kb -> 9.27kb (2.02%)
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/Bryan_Guner_–_Medium_files/1_ao1cHo7EQ4faDV8YNJwh_Q.png -- 6.25kb -> 6.23kb (0.3%)
/Bryan_Guner_–_Medium_files/0_wE_xUE1f0GU8GBGo(1).png -- 242.63kb -> 242.22kb (0.17%)

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