feat: Add LinkedIn Personal Branding PowerPoint for Digital Marketing

[douaahadimalou2006-lang]

What was done

Created a comprehensive PowerPoint presentation about LinkedIn Personal Branding specifically designed for digital marketing students.

Features Added

• 7-slide presentation structure covering essential LinkedIn branding concepts
• French language content as requested for target audience
• Student-focused approach tailored for those without extensive professional experience
• Practical guidance on profile optimization, content strategy, and engagement

Content Overview

1. Why LinkedIn is essential for digital marketing students
2. Humanizing your LinkedIn presence
3. Building a coherent and professional image
4. Creating an evolving personal brand
5. Practical tips for authentic engagement
6. Content strategy for students
7. Key takeaways and actionable steps

Why this was implemented

This presentation addresses the specific needs of digital marketing students who want to build their professional presence on LinkedIn without having years of experience, focusing on authenticity and growth mindset.

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This PR was created from task: https://cloud.blackbox.ai/tasks/6k8Go7yao_p2fwlqWQ9Ci