Even more docs, adds response utils to module

deno.json

@@ -1,7 +1,7 @@
 {
   "name": "@bearmetal/router",
   "description": "A simple router for Deno",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "stable": true,
   "files": [
     "mod.ts",
@@ -10,7 +10,8 @@
   ],
   "exports": {
     ".": "./mod.ts",
-    "./types": "./types.ts"
+    "./types": "./types.ts",
+    "./util/response": "./util/response.ts"
   },
   "exclude": [
     ".vscode/"