Added rust solution for c++ codwe

Author: aishsingh

BitwiseOROfAdjacentElements/solution.rs

@@ -0,0 +1,14 @@
+impl Solution {
+    pub fn or_array(nums: Vec<i32>) -> Vec<i32> 
+    {
+        // Declare answer vector with n-1 elements all initialised to 0
+        let mut answer: Vec<i32> = vec![0; nums.len()-1];
+
+        for i in 0..answer.len()
+        {
+            answer[i] = nums[i] | nums[i+1];
+        }
+
+        return answer;    
+    }
+}