2.0.0: feat: add initial implementation of IP fetching and display in popup

- Added background script for handling background tasks.
- Implemented content script to inject UI with TailwindCSS styling.
- Created a Svelte component for the popup interface to display public and server IPs.
- Integrated IP fetching from external APIs for both IPv4 and IPv6 addresses.
- Added functionality to copy IP addresses to clipboard with visual feedback.
- Included TailwindCSS for styling the popup interface.
- Added various PNG assets for icons and branding.
- Configured WXT for Svelte and TailwindCSS integration.