update README.md.

Author: steven5538

README.md

@@ -1,8 +1,9 @@
 # vue-button [![Build Status](https://travis-ci.org/steven5538/vue-button.svg?branch=master)](https://travis-ci.org/steven5538/vue-button) [![Dependency Status](https://gemnasium.com/badges/github.com/steven5538/vue-button.svg)](https://gemnasium.com/github.com/steven5538/vue-button) ![MIT License](https://img.shields.io/github/license/steven5538/vue-button.svg)
 
-
 > Button component for Vue.js v2.0.1+.
 
+![vue-button](http://i.imgur.com/YLEH5Ko.png)
+
 ## Installation
 
 ### NPM (Recommended)
@@ -21,8 +22,29 @@ or you can include from [unpkg](https://unpkg.com).
 ```
 ## Usage
 ```html
+<!-- default button -->
 <v-button>
-  Hello
+  Button
+</v-button>
+
+<!-- disabled button -->
+<v-button disabled>
+  Button
+</v-button>
+
+<!-- large button -->
+<v-button large>
+  Button
+</v-button>
+
+<!-- markup button option: primary, success, warning, error -->
+<v-button markup="success">
+  Button
+</v-button>
+
+<!-- button with multiple attribute -->
+<v-button markup="warning" large>
+ Button
 </v-button>
 ```
 ## ES Modules with NPM & vue-loader (Recommended)
@@ -33,3 +55,69 @@ import VueButton from 'vue-button'
 // register component to use
 Vue.component('v-button', VueButton)
 ```
+## Parameters
+```js
+/**
+ * Equivalent to the `id` attribute on an `<button>`.
+ * @type {String}
+ */
+id: {
+  type: String,
+  default: null
+},
+
+/**
+ * Attach your custom class on the compontent.
+ * That means you can change the style if you want.
+ * @type {String}
+ */
+customClass: {
+  type: String,
+  default: null
+},
+
+/**
+ * Equivalent to the `name` attribute on an `<button>`.
+ * @type {String}
+ */
+name: {
+  type: String,
+  default: null
+},
+
+/**
+ * Equivalent to the `disabled` attribute on an `<button>`.
+ * @type {Boolean}
+ */
+disabled: {
+  type: Boolean,
+  default: false
+},
+
+/**
+ * If set enable button font size will be large.
+ * @type {Boolean}
+ */
+large: {
+  type: Boolean,
+  default: false
+},
+
+/**
+ * Markup button.
+ * The value can be `default`, `primary`, `success`, `warning`, `error`.
+ * @type {String}
+ */
+markup: {
+  type: String,
+  default: 'default'
+},
+
+/**
+ * Set the click event on `<button>`.
+ */
+@click {
+  type: Object,
+  defalut: null
+}
+```

src/dev.js

@@ -9,6 +9,6 @@ Vue.config.devtools = true
 /* eslint-disable no-new */
 new Vue({
   el: '#app',
-  template: '<div><v-button markup="warning">Hello</v-button><br/><br/><v-button>Hello</v-button></div>',
+  template: '<div><v-button>Hello</v-button></div>',
   components: { VueButton }
 })