docs(readme): update docs

README.md

@@ -1 +1,46 @@
 # jsdoc-tests
+
+![Node CI](https://github.com/unadlib/jsdoc-tests/workflows/Node%20CI/badge.svg)
+[![npm version](https://badge.fury.io/js/jsdoc-tests.svg)](http://badge.fury.io/js/jsdoc-tests)
+
+A JSDoc test tool for Documentation-Driven Quality
+
+## Installation
+
+```sh
+yarn add -D jsdoc-tests # npm install -D jsdoc-tests
+```
+
+## Usage and Example
+
+- Create A source code in `./src/example.ts` with JSDoc.
+
+```ts
+/**
+ * Two numbers added together
+ *
+ * @param a {number}
+ * @param b {number}
+ *
+ * @example
+ *
+ * ```ts
+ * const { add } = require('../test/example');
+ *
+ * expect(add(1, 2)).toBe(3);
+ * ```
+ */
+export const add = (a: number, b: number) => {
+  return a + b;
+}
+```
+
+- Create a test file
+
+```ts
+import { jsdocTests } from 'jsdoc-tests';
+
+test('test add', () => {
+  jsdocTests('./src/example.ts');
+});
+```

package.json

@@ -1,6 +1,6 @@
 {
   "name": "jsdoc-tests",
-  "version": "0.0.0",
+  "version": "0.0.1",
   "description": "A JSDoc test tool for Documentation-Driven Quality",
   "source": "src/index.ts",
   "typings": "dist/index.d.ts",