Add following control features - [x] play - [ ] pause - [x] start - [ ] step - [ ] restart - [ ] step slider [relevant code](https://github.com/Saphereye/Convex-Hull-CS-F364/blob/fb1046612518669959f896487329f4e38ff28d08/src/main.rs#L254) [reference reddit post](https://www.reddit.com/r/rust/comments/1cq269e/convex_hull_simulation/)
Add following control features
relevant code
reference reddit post