Added icon images in Asset folder

[Poobalan1210]

Description

The various pixels of the icon image is added in the assets folder.

Fixes #177

Type of Change:

• User Interface

How Has This Been Tested?

Describe the tests you ran to verify your changes. Provide instructions or GIFs so we can reproduce. List any relevant details for your test.

Checklist:

• [ x ] My PR follows the style guidelines of this project
• [ x ] I have performed a self-review of my own code or materials
• [ x ] I have commented my code or provided relevant documentation, particularly in hard-to-understand areas
• [ x ] I have made corresponding changes to the documentation
• [ x ] Any dependent changes have been merged

[annabauza]

@Poobalan1210 I can't see the issue number.

[Poobalan1210]

I have edited the comment above

[epicadk]

Please solve merge conflicts

[gaurivn]

@Poobalan1210, pls resolve merge conflicts