Adding Gradient Picker

[Rahul-Bhati]

Description

A simple Gradient Color Picker Using Html, Css, Javscript.

Issue

Fixes #71 (issue)

Type of change

• [x] New Project

Checklist:

• [x] I have included a REAME file for my Project (not for Bug fix)
• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have followed the Contributing Guidelines

[prodigyinfotech]

Tick the applicable options in PR and enhance README