Add demo

Author: CodyTolene

README.md

@@ -1,6 +1,6 @@
 <p align="center">
   <a href="https://www.ProAngular.com" target="_blank">
-    <img src="src/assets/pro-angular-logo.png">
+    <img src="src/assets/images/pro-angular-logo.png">
   </a>
   <h1 align="center">
     <a href="https://www.ProAngular.com" target="_blank">
@@ -17,3 +17,6 @@
 
 # Description
 Configurable, lightweight back to top button for Angular projects.
+
+# Demo
+![Demo animation](src/assets/images/demo-scroll-top.gif?raw=true)

src/app/app.component.ts

@@ -5,7 +5,7 @@ import { Component } from '@angular/core';
   template: `
     <header></header>
     <section>
-      <p *ngFor="let number of Array(88)">
+      <p *ngFor="let number of Array(20)">
         Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod
         tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minimssy
         veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip expir