feat: Make export not default

Author: Mqxx

deno.jsonc

@@ -1,6 +1,6 @@
 {
   "name": "@typescriptplayground/binary-reader",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "license": "./LICENSE",
   "exports": "./src/index.ts",
   "tasks": {

src/index.ts

@@ -1,7 +1,7 @@
 import DataReader from "./data_reader.ts";
 import BinaryReader from "./binary_reader.ts";
 
-export default {
+export {
   DataReader,
   BinaryReader
 }