fix indent and add documentation links

Author: joney000

Algorithms/Multiset.java

@@ -23,7 +23,7 @@ void remove(K key){
 multiSet.put(key, freq - 1);
 }
 }
-
+ 
 @Override
 public String toString(){
 return multiSet.toString();

README.md

@@ -42,6 +42,7 @@ In This Repository, I have written some of the important Algorithms and Data Str
 | [LIS - Longest Increasing Subsequence](https://github.com/joney000/Java-Competitive-Programming/blob/master/Algorithms/LIS_nLOGn.java)| O(N * log(N)), O(N)
 | [Priority Queue](https://github.com/joney000/Java-Competitive-Programming/blob/master/Algorithms/PriorityQueue.java)| O(log(N)), O(N) | N = no of objects in the queue. peek: O(1), poll/add: O(log n)
 | [Multiset](https://github.com/joney000/Java-Competitive-Programming/blob/master/Algorithms/Multiset.java)| O(log(N)), O(N) | N = no of objects in the multiset. get/add: O(log n) and Average Case O(1)
+| [MillerRabin](https://github.com/joney000/Java-Competitive-Programming/blob/master/Algorithms/MillerRabin.java)| O(log(N)), O(1) | deterministic algorithm to identify if a number is prime or not
 
 ## Contributions