[ImgBot] Optimize images

*Total -- 284.11kb -> 208.25kb (26.7%)

/ToDoList/sujitmahapatra/task manager screenshot 1.png -- 61.93kb -> 41.01kb (33.78%)
/ToDoList/sujitmahapatra/task manager screenshot 2.png -- 83.32kb -> 60.25kb (27.69%)
/ToDoList/0kt1/images/Screenshot1.png -- 51.48kb -> 39.17kb (23.9%)
/ToDoList/0kt1/images/Screenshot2.png -- 57.33kb -> 43.70kb (23.78%)
/ToDoList/aneeshd27/ToDoList.png -- 30.05kb -> 24.12kb (19.75%)

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