updated readme

README.md

@@ -5,7 +5,7 @@ Render Html to PDFs using [Vivliostyle.js](https://github.com/vivliostyle/vivlio
 ## Installation
 
 ```
-npm install -g git+ssh://git@gitlab.coko.foundation:fchasen/vivliostyle-electron.git
+npm install -g vivliostyle-electron
 ```
 
 ## Generating a PDF

package.json

@@ -77,5 +77,11 @@
     "gulp-babel": "^6.1.2",
     "gulp-plumber": "^1.1.0",
     "mocha": "^3.0.2"
-  }
+  },
+  "directories": {
+    "test": "test"
+  },
+  "keywords": [
+    "pdf"
+  ]
 }