Correct homepage

Author: Joeyonng

package.json

@@ -1,10 +1,14 @@
 {
   "name": "react-jupyter-notebook",
   "version": "0.3.2",
-  "homepage": "https://github.com/Joeyonng/react-jupyter-notebook",
+  "homepage": "https://Joeyonng.github.io/react-jupyter-notebook",
   "license" : "MIT",
   "private": false,
   "description": "A simple React component that renders .ipynb files just like how they are rendered by Jupyter Lab",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Joeyonng/react-jupyter-notebook"
+  },
   "keywords": [
     "React",
     "Jupyter",