Added Animated Buttons To Scroll

[MohanaSrinivas]

added Animation Buttons to scrolll Easily without getting hard.

Issue : Want to add scrolling buttons with animation

Closes #524

Description

Technologies Used: 1.Html 2.Css I have used this two programming languages to make animated buttons to scroll

Screenshots

Checklist

• [x] My code adheres to the established style guidelines of the project.
• [x] I have included comments in areas that may be difficult to understand.
• [x] My changes have not introduced any new warnings.
• [x] I have conducted a self-review of my code.