Summary: Colossyan adds PDF/PPT to video conversion

Why It Matters: This makes it easier for users to turn existing documents into videos.

What Changed:

• The website removed a webinar announcement.
• The number of supported languages for AI Voices increased from 80+ to 100+.
• A new section was added about converting PDFs and PowerPoints into training videos.
• New content was added to explain "How it works" with a step-by-step guide.
• New case studies were added for AmeriSave, Illinois Principals Association, AFNB GmbH, DSV, TM Forum, and Sonesta.
• A "Frequently asked questions" section was added.
• The "Video Learning Center" moved from "Resources & Learning" to "Resources".