update readme

Author: hogan-tech

.github/Question List.txt

@@ -8,4 +8,5 @@
 0726-number-of-atoms python hard
 1740-find-distance-in-a-binary-tree python medium
 2196-create-binary-tree-from-descriptions python medium
-1110-delete-nodes-and-return-forest python medium
+1110-delete-nodes-and-return-forest python medium
+1530-number-of-good-leaf-nodes-pairs python medium

README.md

@@ -429,6 +429,7 @@ The solutions are organized as follows:
 | 1509 | [Minimum Difference Between Largest and Smallest Value in Three Moves](https://leetcode.com/problems/minimum-difference-between-largest-and-smallest-value-in-three-moves/)             | [Python](./1509-minimum-difference-between-largest-and-smallest-value-in-three-moves/1509-minimum-difference-between-largest-and-smallest-value-in-three-moves.py)                                                                                                             | [Medium](./1509-minimum-difference-between-largest-and-smallest-value-in-three-moves/README.md)       |
 | 1512 | [Number of Good Pairs](https://leetcode.com/problems/number-of-good-pairs/)                                                                                                             | [Python](./1512-number-of-good-pairs/1512-number-of-good-pairs.py)                                                                                                                                                                                                             | [Easy](./1512-number-of-good-pairs/README.md)                                                         |
 | 1518 | [Water Bottles](https://leetcode.com/problems/water-bottles/)                                                                                                                           | [Python](./1518-water-bottles/1518-water-bottles.py)                                                                                                                                                                                                                           | [Easy](./1518-water-bottles/README.md)                                                                |
+| 1530 | [Number of Good Leaf Nodes Pairs](https://leetcode.com/problems/number-of-good-leaf-nodes-pairs/)                                                                                       | [Python](./1530-number-of-good-leaf-nodes-pairs/1530-number-of-good-leaf-nodes-pairs.py)                                                                                                                                                                                       | [Medium](./1530-number-of-good-leaf-nodes-pairs/README.md)                                            |
 | 1531 | [String Compression II](https://leetcode.com/problems/string-compression-ii/)                                                                                                           | [Python](./1531-string-compression-ii/1531-string-compression-ii.py)                                                                                                                                                                                                           | [Hard](./1531-string-compression-ii/README.md)                                                        |
 | 1535 | [Find the Winner of an Array Game](https://leetcode.com/problems/find-the-winner-of-an-array-game/)                                                                                     | [Python](./1535-find-the-winner-of-an-array-game/1535-find-the-winner-of-an-array-game.py)                                                                                                                                                                                     | [Medium](./1535-find-the-winner-of-an-array-game/README.md)                                           |
 | 1544 | [Make The String Great](https://leetcode.com/problems/make-the-string-great/)                                                                                                           | [Python](./1544-make-the-string-great/1544-make-the-string-great.py)                                                                                                                                                                                                           | [Easy](./1544-make-the-string-great/README.md)                                                        |