Added new logo to header and footer !!!

[SrijaVuppala295]

Issues Identification

Closes: #1012

Summary

This pull request introduces a new, custom-designed PathSphere logo in the header and footer to strengthen brand identity. It also enhances the text styling by color-coding "Path" and "Sphere" for a modern, visually appealing look that improves readability and overall design consistency.

Details

• Added new logo images for both header and footer sections.
• Adjusted font colors and styles, applying distinct colors to "Path" and "Sphere" in both sections.
• Removed unwanted spacing to ensure cohesive, clean typography.

Types of Changes

Please check the boxes that apply

• Bugfix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update (Documentation content changed)
• Other (please describe):

Checklist

Please check the boxes that apply

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• My changes do not break the current system and pass all existing test cases
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

Screenshots

I have edited the font and style of the text and created a logo !!!

Additional Information

Please provide any other information that is relevant to this pull request.

](https://github.com/SrijaVuppala295/Pathsphere)

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[aditya-bhaumik]

@SrijaVuppala295 press on commit suggestion please

no need to make separate commit

[SrijaVuppala295]

@aditya-bhaumik , I have committed it , please review it !!

[SrijaVuppala295]

@aditya-bhaumik , please assign me under the issues #1010 , #1133

[SrijaVuppala295]

@SrijaVuppala295 ha??

I didnt get you ?