Story 2: User can customize the GIF creation settings

[git-union]

Description

As a user, I want to be able to customize the settings for GIF creation.

Acceptance criteria

• User should be able to set the desired GIF duration.
• User should be able to choose the animation speed of the GIF.
• There should be an option to add text overlays to the GIF.
• The text overlay should support different font styles, sizes, and colors.
• User should be able to add stickers or emojis to the GIF.
• Stickers/emojis should be resizable, rotatable, and movable on the GIF.
• User should be able to preview the GIF with the chosen settings before generating it.