cleanup (structure): update code structure

client/utilities/fab.js

@@ -0,0 +1,22 @@
+import React from 'react';
+import { theme } from './theme';
+
+export const Fab = (props) => {
+    let style = {};
+    style.height = '25px';
+    style.width = '25px';
+    style.padding = '13px';
+    style.position = 'fixed';
+    style.bottom = '20px';
+    style.right = '20px';
+    style.borderRadius = '50%';
+    style.background = theme.colors.text;
+    style.boxShadow = theme.effects.shadow; 
+    style.zIndex = '1000';
+    style.cursor = 'pointer';
+    return (
+        <div onClick={props.onClick} style={style}>
+          {props.children}
+        </div>
+    )
+}