Initial stable release of CookieEdit++ (v2.0.0) for Firefox.

Features included in this version:
- Live Cookie Management: View, modify, create, and delete HTTP cookies for the active browser tab's domain directly from the popup UI.
- Secure Filtering: Automatically filters and displays only cookies relevant to the active viewport domain to prevent unneeded exposure.
- Backup & Restore: Complete client-side functionality to seamlessly Export your current domain cookies as a JSON/text file or Import structured session files directly back into the browser's native store.
- Purely Local Processing: Fully optimized for Manifest V3 with zero tracking, external telemetry, or remote code execution dependencies.