component README update and fix

packages/badge/README.md

@@ -0,0 +1,49 @@
+# element-badge
+> A element-badge component for Vue.js.
+
+## Demo
+http://element-component.github.io/element-badge
+
+## Installation
+```shell
+npm i element-badge -D
+```
+
+## Usage
+```javascript
+import Vue from 'vue'
+import ElBadge from 'element-badge'
+import 'element-theme-default/dist/badge.css'
+
+Vue.use(ElBadge)
+```
+
+or
+
+```javascript
+import Vue from 'vue'
+import ElBadge from 'element-badge'
+
+Vue.component('el-badge', ElBadge)
+```
+
+### Attributes
+| 参数          | 说明            | 类型            | 可选值                 | 默认值   |
+|-------------  |---------------- |---------------- |---------------------- |-------- |
+| value          | 显示值      | string, number          |          —             |    —     |
+| max          |  最大值，超过最大值会显示 '{max}+'，要求 value 是 Number 类型    | number  |         —              |     —    |
+| is-dot       | 小圆点    | boolean  |  —  |  false |
+
+## Development
+```shell
+make dev
+
+## test
+make test
+
+## build
+make build
+```
+
+# License
+[MIT](https://opensource.org/licenses/MIT)

packages/badge/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "el-badge",
+  "name": "element-badge",
   "version": "0.0.0",
   "description": "A badge component for Vue.js.",
   "keywords": [