Refine information in package.json (#18)

* chore: add entry `bugs`

* chore: add entry `homepage`

* chore: remove entry `directories`

* chore: refine entry `author`

* chore: refine entry `keywords`

* chore: sort entries

package.json

@@ -1,19 +1,27 @@
 {
   "name": "ember-reading-time",
-  "version": "1.0.0",
   "description": "Medium-like reading time estimation for EmberJS.",
+  "version": "1.0.0",
+  "license": "MIT",
+  "author": {
+    "name": "PeopleDoc",
+    "url": "https://github.com/peopledoc"
+  },
+  "homepage": "https://github.com/peopledoc/ember-reading-time",
+  "repository": "https://github.com/peopledoc/ember-reading-time",
+  "bugs": "https://github.com/peopledoc/ember-reading-time/issues",
   "keywords": [
+    "ember",
+    "emberjs",
     "ember-addon",
+    "estimated",
+    "estimation",
+    "medium",
+    "medium-like",
     "reading",
+    "remaining",
     "time"
   ],
-  "repository": "https://github.com/peopledoc/ember-reading-time",
-  "license": "MIT",
-  "author": "",
-  "directories": {
-    "doc": "doc",
-    "test": "tests"
-  },
   "scripts": {
     "build": "ember build --environment=production",
     "lint": "npm-run-all --aggregate-output --continue-on-error --parallel \"lint:!(fix)\"",