Promptbook: Inline Prompt Manager for ChatGPT

This extension places a sliding window in the ChatGPT web interface which allows users to:

- Create and manage prompts: Easily add, copy, and delete text prompts.

- Organize prompts in folders: Group and store prompts for structured organization.

- Include variables in their prompts: Use "{}" to denote a variable, which will be replaced with custom text when copying.

- Expand/collapse folders: Manage visibility of prompts within the interface.

- Export prompts: Transfer data via JSON files for sharing or backup. (Import functionality coming soon)