//! Count Vowels and Consonants (Unicode-aware, Production-Grade)
//!
//! Counts the number of vowels and consonants in a string slice.
//!
//! # Arguments
//! * `s` - The string slice to analyze.
//!
//! # Returns
//! * `(usize, usize)` - (vowel_count, consonant_count)
//!
//! # Example
//! ```rust
//! use pofk_algorithm::string_algorithms::count_vowels_consonants::count_vowels_consonants;
//! assert_eq!(count_vowels_consonants("hello world"), (3, 7));
//! assert_eq!(count_vowels_consonants("a😊b"), (1, 1));
//! ```