Even more docs, adds response utils to module

types.ts

@@ -3,6 +3,9 @@
  * BearMetal Router types
  */
 
+/**
+ * @description a context object for a request
+ */
 export interface RouterContext {
   url: URL;
   params: Record<string, string | undefined>;
@@ -27,17 +30,26 @@ export type Middleware = (
   next: () => Promise<Response>,
 ) => Promise<Response>;
 
+/**
+ * @description a route configuration
+ */
 export interface RouteConfig {
   pattern: URLPattern;
   handlers: { [method: string]: Handler };
 }
 
+/**
+ * @description a middleware configuration
+ */
 export interface MiddlewareConfig {
   pattern: URLPattern;
   handler: Middleware;
   path: string;
 }
 
+/**
+ * @description a route configurator
+ */
 export interface RouteConfigurator {
   get(handler: Handler): RouteConfigurator;
   post(handler: Handler): RouteConfigurator;