Fixed multiple issues and optimized user experience.

What's New

• 🐞 Fixed the issue of not being able to display images from protected websites in posters, such as Midjourney.

• 💳 Rebuilt the membership subscription process, adding features like coupons, annual recurring subscriptions, cancellation, and billing.

• 🎨 Enhanced the user interface for membership plans.

• 🗓️ The poster now has a new header displaying the theme and date.