add keywords

Author: jscottsmith

package.json

@@ -2,6 +2,15 @@
   "name": "react-scroll-parallax",
   "version": "3.0.0-beta.1",
   "description": "React components to create parallax scroll effects for banners, images or any other DOM elements.",
+  "keywords": [
+    "react",
+    "scroll",
+    "effects",
+    "parallax",
+    "banner",
+    "animation",
+    "component"
+  ],
   "repository": {
     "type": "git",
     "url": "https://github.com/jscottsmith/react-scroll-parallax"