[FEATURE REQUEST] Improve the mental health problem section in index page

[akshitagupta15june]

also add a About in indeax navbar and redirect to mental health problems
mental health problem section looks distorted and also font is not good

[github-actions]

Congratulations, @akshitagupta15june! 🎉 Thank you for creating your issue for Moksh. Your contribution is greatly appreciated and we look forward to working with you to resolve the issue. Keep up the great work! Should you have any queries or require guidance, do not hesitate to ask.

[ritik48]

@akshitagupta15june please assign this issue to me.

[dishamodi0910]

Please assign me this issue. @akshitagupta15june

[gauravsingh1281]

@akshitagupta15june please assign this issue to me because I want to work on it.

[Nayanika-12]

@akshitagupta15june mam can you please assign this to me. It'll be my first contribution in Moksh.

[akshitagupta15june]

assigning

[Nayanika-12]

#933 Mam please take a look at this PR. I have made the necessary changes.