docs: added documentation, enforced documentation

src/context/mod.rs

@@ -9,10 +9,12 @@ pub use api::{Context, ContextCommand, ContextConfig};
 pub use manager::ContextManager;
 use std::sync::Arc;
 
+/// Obtain global context manager
 pub fn manager() -> &'static ContextManager {
     &manager::MANAGER
 }
 
+/// Obtain current context
 pub fn current() -> Arc<Context> {
     manager::MANAGER.current()
 }