doc: 修改readme

Author: luzhipeng

README.md

@@ -98,35 +98,35 @@ leetcode 题解，记录自己的 leetcode 解题之路。
 - [11.container-with-most-water](./problems/11.container-with-most-water.md)
 - [19. Remove Nth Node From End of List](./problems/removeNthNodeFromEndofList.md)
 - [24. Swap Nodes In Pairs](./problems/swapNodesInPairs.md)
-- [55.jump-game.md](./problems/55.jump-game.md.md)
+- 🆕 [55.jump-game.md](./problems/55.jump-game.md.md)
 - [75.sort-colors.md](./problems/75.sort-colors.md)
 - [86.partition-list](./problems/86.partition-list.md)
 - [92.reverse-linked-list-ii](./problems/92.reverse-linked-list-ii.md)
 - [94.binary-tree-inorder-traversal](./problems/94.binary-tree-inorder-traversal.md)
 - [102.binary-tree-level-order-traversal](./problems/102.binary-tree-level-order-traversal.md)
 - [103.binary-tree-zigzag-level-order-traversal](./problems/103.binary-tree-zigzag-level-order-traversal.md)
-- 🆕 [139.word-break](./problems/139.word-breakmd)
+- [139.word-break](./problems/139.word-breakmd)
 - [144.binary-tree-preorder-traversal](./problems/144.binary-tree-preorder-traversal.md)
 - [150.evaluate-reverse-polish-notation](./problems/150.evaluate-reverse-polish-notation.md)
 - [199.binary-tree-right-side-view](./problems/199.binary-tree-right-side-view.md)
 - [201.bitwise-and-of-numbers-range](./problems/201.bitwise-and-of-numbers-range.md)
-- [208.implement-trie-prefix-tree](./problems/208.implement-trie-prefix-tree.md)
+- 🆕 [208.implement-trie-prefix-tree](./problems/208.implement-trie-prefix-tree.md)
 - [209.minimum-size-subarray-sum](./problems/209.minimum-size-subarray-sum.md)
-- 🆕 [240.search-a-2-d-matrix-ii](./problems/240.search-a-2-d-matrix-ii.md)
+- [240.search-a-2-d-matrix-ii](./problems/240.search-a-2-d-matrix-ii.md)
 - [279.perfect-squares](./problems/279.perfect-squares.md)
 - [322.coin-change](./problems/322.coin-change.md)
 - [328.odd-even-linked-list](./problems/328.odd-even-linked-list.md)
-- 🆕 [416.partition-equal-subset-sum](./problems/416.partition-equal-subset-sum.md)
+- [416.partition-equal-subset-sum](./problems/416.partition-equal-subset-sum.md)
 - [445.add-two-numbers-ii](./problems/445.add-two-numbers-ii.md)
 - [518.coin-change-2](./problems/518.coin-change-2.md)
 - [875.koko-eating-bananas](./problems/875.koko-eating-bananas.md)
 - [877.stone-game](./problems/877.stone-game.md)
-- 🆕 [887.super-egg-drop](./problems/887.super-egg-drop.md)
+- [887.super-egg-drop](./problems/887.super-egg-drop.md)
 - [900.rle-iterator](./problems/900.rle-iterator.md)
 
 #### 困难难度
-- [42.trapping-rain-water](./problems/42.trapping-rain-water.md)
-- [128.longest-consecutive-sequence](./problems/128.longest-consecutive-sequence.md)
+- 🆕 [42.trapping-rain-water](./problems/42.trapping-rain-water.md)
+- 🆕 [128.longest-consecutive-sequence](./problems/128.longest-consecutive-sequence.md)
 - [145.binary-tree-postorder-traversal](./problems/145.binary-tree-postorder-traversal.md)
 - [146.lru-cache](./problems/146.lru-cache.md)
 - 🆕 [295.find-median-from-data-stream.md](./problems/295.find-median-from-data-stream.md)