finalized project

vendor/import_map.json

@@ -1,5 +1,6 @@
 {
   "imports": {
+    "https://deno.land/x/cors/mod.ts": "./deno.land/x/cors@v1.2.2/mod.ts",
     "https://deno.land/x/oak/mod.ts": "./deno.land/x/oak@v12.1.0/mod.ts",
     "https://deno.land/std/testing/asserts.ts": "./deno.land/std@0.191.0/testing/asserts.ts",
     "https://deno.land/": "./deno.land/"