💄 Improve text clarity and consistency

Update descriptions to enhance user understanding of unlimited uploads and free event creation.

♻️ Refactor contact, index, privacy, and terms pages to personalize language; enhance SEO descriptions; add trust badges and use cases sections; improve FAQ clarity; update welcome email content; and streamline QR code and event sharing information across various views.

✨ Add OG image helper for media items

Implement a new helper method to retrieve OG image URLs for media,
streamlining the process in dashboard and upload views.

💄 Improve dashboard and pricing page text

Clarify upload descriptions and enhance visual elements for better user understanding.