feat: add README in English and Portuguese for KaririCode DataStructure project

- Added README.md with a detailed description of KaririCode DataStructure component features in English
- Added README.pt-br.md with a detailed description of KaririCode DataStructure component features in Portuguese
- Explained the key data structures implemented: ArrayList, LinkedList, BinaryHeap, HashMap, TreeSet, ArrayDeque, and ArrayStack
- Provided usage examples for the main structures in both languages
- Instructions for installation and running tests
- Support and license information included in both versions

Author: walmir-silva