Feature/gsod dedicated page

[Eshita-Badhe]

Fixes: #898

📋 Description

-- Created a dedicated detailed page for Google Season of Docs (GSOD).
-- Previously, GSOD did not have a standalone structured page.
-- This PR improves content organization and enhances user navigation.
-- The new page follows OpenSource Compass brand design (gold + cream + navy theme).
-- Fully responsive and dark-mode compatible.

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🚀 What’s Added

-- Created gsod.html under frontend/pages/Event/
-- Added Hero section with official website link
-- Added detailed Program Overview section with enhanced cards
-- Added Who Can Apply section
-- Added Benefits section
-- Added horizontal styled Timeline section
-- Added improved CTA section
-- Implemented advanced card hover animations
-- Maintained consistent light & dark theme styling
-- Improved spacing, typography, and layout alignment

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🎯 Expected Outcome

-- Better content separation for GSOD
-- Improved user experience and readability
-- Clear structured information for contributors
-- Consistent UI design across all program pages
-- Enhanced navigation from Programs page

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📸 Screenshots (MANDATORY for UI/UX changes)

• This PR includes UI/UX changes → Screenshots attached
• This PR does NOT include UI/UX changes

If screenshots are not applicable, explain briefly:
-- UI enhancements and new page layout implemented.

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Note: I have worked on this under SWoC26...!
@sayeeg-11 please review...