Added app logo

[Shubhrima]

Description:

Added app logo.

Fixes # (issue no.) 39

Type of change:

• [ x] New feature (non-breaking change which adds functionality)

Checklist:

• [x ] My code follows the style guidelines of this project.
• [ x] I have performed a self-review of my own code.
• [ x] My changes generate no new warnings.
• [ x] I have added tests that prove my fix is effective or that my feature works.
• [x ] New and existing unit tests pass locally with my changes.
• [ x] Any dependent changes have been merged and published in downstream modules.

Screenshots / Video:

[ghackg11]

@Shubhrima, Nice efforts, but we need something more creative and unique. Try a little harder. All the best:)