Function insert

insert<T>(sortedArray: T[], toInsert: T, comparer?: Comparer<T>): T[]
Inserts an item into a sorted array, returning a new array.
```
let data = [ 1, 2, 3, 4 ];
data = insert(data, 2.5);
// [ 1, 2, 2.5, 3, 4 ]
```
By default uses Javascript comparision semantics. Passing in comparer is needed when working with an array of objects.
Type Parameters
- T
Parameters
- sortedArray: T[]
  Sorted array
- toInsert: T
  Data to insert
- comparer: Comparer<T> = defaultComparer
  Comparer, uses JS default semantics if not specified.
Returns T[]