[Feature]: Gssoc template is not visible in the light mode

[HimanshuNarware]

• [x] Would you like to take up this task?
• [x] Are you from GSSoC'23?

✨	Feature request
Is your feature request related to a problem?	The gsssoc template in the readme file is not visible in the light mode bcoz of file type is png.
Describe the solution you'd like	we can add a file who have a background (black).
#Screenshot

Solution or we can add this image