Function load_doc_gen_config 

pub fn load_doc_gen_config() -> DocGenConfig

Load global documentation generation configuration from available sources

This function checks multiple sources in priority order:

1. Environment variables (highest priority)
2. Cargo.toml metadata (if available)
3. Default (no doc generation)

Examples

use waddling_errors_hash::config_loader::load_doc_gen_config;

let config = load_doc_gen_config();
// Returns default: empty formats, "target/doc" output