Added CSS Loaders

Author: amareshsm

.prettierignore

@@ -1,3 +1,5 @@
 dist
 
-node_modules
+node_modules
+
+*.html

package.json

@@ -2,7 +2,9 @@
   "name": "react-spinner-css",
   "version": "1.0.0",
   "description": "React Spinner CSS",
-  "main": "index.js",
+  "main": "dist/bundle.cjs.js",
+  "module": "dist/bundle.esm.js",
+  "sideEffects": false,
   "scripts": {
     "prebuild": "rimraf dist",
     "build": "rollup -c",
@@ -66,4 +68,4 @@
   "engines": {
     "node": ">=8"
   }
-}
+}