Update project according to the ownership transfer

Author: ertrzyiks

README.md

@@ -6,7 +6,7 @@ A Hexo plugins which helps to introduce low quality image placeholders to the th
 ## Installation
 
 ```
-npm i ertrzyiks/hexo-filter-lqip --save
+npm i hexo-filter-lqip --save
 ```
 
 ## Usage

package.json

@@ -8,14 +8,14 @@
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/ertrzyiks/hexo-filter-lqip.git"
+    "url": "git+https://github.com/hexojs/hexo-filter-lqip.git"
   },
   "author": "",
   "license": "MIT",
   "bugs": {
-    "url": "https://github.com/ertrzyiks/hexo-filter-lqip/issues"
+    "url": "https://github.com/hexojs/hexo-filter-lqip/issues"
   },
-  "homepage": "https://github.com/ertrzyiks/hexo-filter-lqip#readme",
+  "homepage": "https://github.com/hexojs/hexo-filter-lqip#readme",
   "dependencies": {
     "bluebird": "^3.5.1",
     "potrace": "^2.1.1",