Update README for problem 846

Author: anirudhology

Diff for: README.md

@@ -130,6 +130,7 @@ LeetCode solutions in Python
 | 704        | Binary Search                                             | [Solution](problems/binary_search/binary_search.py)                                        | Easy       | Binary Search                         |
 | 739        | Daily Temperatures                                        | [Solution](problems/stack/daily_temperatures.py)                                           | Medium     | Stack, Monotonic Stack                |
 | 746        | Min Cost Climbing Stairs                                  | [Solution](problems/dynamic_programming/min_cost_climbing_stairs.py)                       | Easy       | Dynamic Programming                   |
+| 846        | Hand Of Straights                                         | [Solution](problems/greedy/hand_of_straights.py)                                           | Medium     | Greedy, Heap                          |
 | 853        | Car Fleet                                                 | [Solution](problems/stack/car_fleet.py)                                                    | Medium     | Stack, Monotonic Stack                |
 | 875        | Koko Eating Bananas                                       | [Solution](problems/binary_search/koko_eating_bananas.py)                                  | Medium     | Binary Search                         |
 | 973        | K Closest Points To Origin                                | [Solution](problems/heap/k_closest_points_to_origin.py)                                    | Medium     | Heap                                  |