update composer.json

Author: xiajianjun

composer.json

@@ -1,8 +1,8 @@
 {
   "name": "inhere/php-validate",
   "type": "library",
-  "description": "A Slim Framework extension",
-  "keywords": ["Slim","extensions"],
+  "description": "a simple validate library of the php",
+  "keywords": ["library","validate"],
   "homepage": "http://github.com/inhere/php-validate",
   "license": "MIT",
   "authors": [
@@ -15,7 +15,7 @@
   "require": {
     "php": ">=5.5.0"
   },
-  "autoload":{
+  "autoload": {
     "psr-4": {
       "inhere\\validate\\" : "src/"
     }