//! State management.
//!
//! This is a state manager that can handle a variety of formats:
//!
//! * Map: Map struct (for state via matter parser HTML or Markdown comments)
//! * JSON: JavaScript Object Notation
//! * TOML: Tom's Obvious Markup Language
//! * YAML: Yet Anther Markup Language
//!
//! This can be expanded for potential future formats.