fix(): revert back typescript configuration

index.d.ts

@@ -0,0 +1 @@
+export * from './dist';

index.js

@@ -0,0 +1,6 @@
+"use strict";
+function __export(m) {
+  for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+}
+exports.__esModule = true;
+__export(require("./dist"));

index.ts

@@ -0,0 +1 @@
+export * from './dist';

tsconfig.json

@@ -9,10 +9,10 @@
     "experimentalDecorators": true,
     "target": "es6",
     "sourceMap": false,
-    "baseUrl": "./",
     "outDir": "./dist",
+    "rootDir": "./lib",
     "skipLibCheck": true
   },
-  "include": ["lib/**/*", "sample/**/*"],
+  "include": ["lib/**/*", "../index.ts"],
   "exclude": ["node_modules", "**/*.spec.ts"]
 }