docs: Document alert and log functions

Author: bgins

rust+wasm/{{project-name}}-wasm/src/lib.rs

@@ -29,6 +29,10 @@ pub fn set_panic_hook() {
     console_error_panic_hook::set_once();
 }
 
+/// External functions for alerting and logging to the console.
+///
+/// This block defines the interface to functions that can be called
+/// from the WebAssembly module for alterting and debugging purposes.
 #[wasm_bindgen]
 extern "C" {
     // For alerting