Improve about page project timeline section

[arkid15r]

Describe the solution you'd like

• Make the vertical line/dots gray (maybe text-gray-400).
• Make dots smaller.
• Make dots aligned with text title

Are you going to work on implementing this?

• Yes
• No

Additional context

[Utkarsh-0304]

@arkid15r,
Could you please assign this task to me?