uniq 
Creates a duplicate-free version of an array.
This function takes an array and returns a new array containing only the unique values from the original array, preserving the order of first occurrence.
Signature 
typescript
function uniq<T>(arr: T[]): T[];Parameters 
- arr(- T[]): The array to process.
Returns 
(T[]): A new array with only unique values from the original array.
Examples 
typescript
const array = [1, 2, 2, 3, 4, 4, 5];
const result = uniq(array);
// result will be [1, 2, 3, 4, 5]
