Added test files

Author: roman.vasilev

src/index.spec.ts

@@ -0,0 +1,6 @@
+/* eslint-disable @typescript-eslint/tslint/config */
+import * as lib from './index';
+
+it('smoke', () => {
+    expect(lib).toBeTruthy();
+});

src/index.ts

@@ -0,0 +1,24 @@
+import { PlainObject } from 'simplytyped';
+
+const dict: PlainObject = {};
+
+/**
+ * Hello function whithout parameter
+ * @returns result string
+ */
+export function hello(): string;
+
+/**
+ * This is hello function
+ * @returns result string
+ */
+export function hello(greet?: string) {
+    return `${greet} world`;
+}
+
+export class X {
+
+    constructor(
+        private readonly o: PlainObject,
+    ) { }
+}