chore(dependency update for styled-components): updating styled-components to v5

fix #183

Author: maxquinn

.babelrc

@@ -15,7 +15,10 @@
   ],
   "env": {
     "test": {
-      "presets": ["@babel/preset-env"]
+      "presets": ["@babel/preset-env"],
+      "plugins": [
+        ["babel-plugin-styled-components", { "ssr": false, "displayName": false }]
+      ]
     }
   }
 }