feat(meetup): add talks and speakers sections for La Meetup III, including speaker profiles and social links

[agustints]

📋 Overview

This PR introduces a complete speakers section for La Meetup III, including speaker profiles, talk descriptions, and an engaging UI with interactive effects.

✨ Features Added

1. New Speaker Profiles

Added 5 new speaker profiles with complete information:

• Carlos Martinez - CTO / Gerente de Tecnología
• Nicolas Antoniello - Regional Technical Engagement Manager
• Mauro Eldritch - Hacker & Founder
• Johana Rios - QA & Methodology Manager
• Gastón Cabana - Quality Assurance Lead

Each profile includes:

• Profile picture
• Job title
• Social media links (GitHub, LinkedIn, X/Twitter)

2. Talks Configuration

Added 3 talks to the meetup agenda:

a) "¿Internet funciona? ¿Cómo? ¿… Y es segura?"

• Speakers: Carlos Martinez & Nicolas Antoniello
• Topics: Internet functionality, DNS, regional registries, and cybersecurity

b) "LockSkin: un ransomware para bioimplantes"

• Speaker: Mauro Eldritch
• Topics: Bioimplants (NFC+RFID), educational ransomware, biohacking security challenges

c) "Debugging Organizacional: Cuando el problema no es el código"

• Speakers: Johana Rios & Gastón Cabana
• Topics: Organizational bugs, team communication, collaboration issues

3. New Speakers Component (src/components/Meetups/2025/Speakers/)

Created a complete speakers section with:

Main Features:

• Animated marquee displaying all speaker names
• Talk-centric layout - groups speakers by their talks
• Rich text descriptions with markdown support
• Responsive design for mobile, tablet, and desktop

Sub-components:

• SpeakerCard.tsx - Individual speaker card with image and details
• SocialLinks.tsx - Social media links with hover effects
• index.tsx - Main speakers section component

4. Interactive UI Effects

Speaker Image Effects:

• Grayscale by default with smooth color restoration on hover
• 500ms transition duration for smooth animations
• Cursor pointer to indicate interactivity
• Gradient mask for elegant fade-out effect

Social Links:

• Scale animation (1.5x) on hover
• Color change to yellow-400 on hover
• Accessible with proper ARIA labels

5. Markdown Support for Descriptions

Implemented ReactMarkdown with custom styling:

• Paragraphs with proper spacing (mb-4)
• Bold text rendered in yellow-400 for emphasis
• Line breaks properly preserved between paragraphs

6. Content Formatting

Added strategic formatting to all talk descriptions:

• Bold emphasis on key concepts and terms
• Paragraph breaks for improved readability
• Italic text for disclaimers/notes

[github-actions]

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