Update README.md

Author: assassint2017

README.md

@@ -180,6 +180,7 @@
 188. [Best Time to Buy and Sell Stock IV](https://github.com/assassint2017/leetcode-algorithm/tree/master/Best%20Time%20to%20Buy%20and%20Sell%20Stock%20IV)
 189. [Rotate Array](https://github.com/assassint2017/leetcode-algorithm/tree/master/Rotate%20Array)
 194. [Rising Temperature](https://github.com/assassint2017/leetcode-algorithm/tree/master/Rising%20Temperature)
+198. [House Robber](https://github.com/assassint2017/leetcode-algorithm/tree/master/House%20Robber)
 199. [Binary Tree Right Side View](https://github.com/assassint2017/leetcode-algorithm/tree/master/Binary%20Tree%20Right%20Side%20View)
 202. [Happy Number](https://github.com/assassint2017/leetcode-algorithm/tree/master/Happy%20Number)
 203. [Remove Linked List Elements](https://github.com/assassint2017/leetcode-algorithm/tree/master/Remove%20Linked%20List%20Elements)