Added The Trie Data Structure

[ICEBERG98]

Trie is a tree like data structure used for String Searching and pattern matching. It's applications include Search Engines and AutoComplete Features. More about Trie- https://www.hackerearth.com/practice/data-structures/advanced-data-structures/trie-keyword-tree/tutorial/

[juncevich]

Also, you may rebase you commits in one commit.

[pedrovgs]

Hi @ICEBERG98 thank you so much for your contribution. Before starting with the code review I was wondering if you could update the readme adding your solution to the list and also apply @juncevich suggestions 😃 Thank you in advance!