Implement export as SVG (#14)

Reviewed-on: https://git.siklos-chaneru.duckdns.org/Siklos/svg-layout-designer-react/pulls/14

src/Components/FloatingButton/FloatingButton.tsx

@@ -1,10 +1,38 @@
 import * as React from 'react';
+import { MenuIcon, XIcon } from '@heroicons/react/outline';
 
 interface IFloatingButtonProps {
+  children: React.ReactNode[] | React.ReactNode
+  className: string
 }
 
+const toggleState = (
+  isHidden: boolean,
+  setHidden: React.Dispatch<React.SetStateAction<boolean>>
+) => {
+  setHidden(!isHidden);
+};
+
 const FloatingButton: React.FC<IFloatingButtonProps> = (props: IFloatingButtonProps) => {
-  return <></>;
+  const [isHidden, setHidden] = React.useState(true);
+  const buttonListClasses = isHidden ? 'invisible opacity-0' : 'visible opacity-100';
+  const icon = isHidden
+    ? <MenuIcon className="floating-btn" />
+    : <XIcon className="floating-btn" />;
+
+  return (
+    <div className={props.className}>
+      <div className={`transition-all flex flex-col gap-2 items-center ${buttonListClasses}`}>
+        { props.children }
+      </div>
+      <button
+        className={'transition-all w-14 h-14 p-2 align-middle items-center justify-center rounded-full bg-blue-500 hover:bg-blue-800'}
+        title='Open menu'
+        onClick={() => toggleState(isHidden, setHidden)}
+      >
+        { icon }
+      </button>
+    </div>);
 };
 
 export default FloatingButton;