Updated README with LiteLLM security notice

Bump version to 2.2.0-beta

Added input (typing) support for filtering in item dropdowns

Bump version to 2.1.1-beta

Fixed issue with exchange items not reflecting their correct item slot

Bump version to 2.1.0-beta

Add version badge and update checker

Minor change to README

Fixed missing icon issue, improved UV functionality

Moved optional WCL user token field to developer section

Minor updates to docstrings and comments

Minor fix to server lists and parse metric "empty zone" warning

Minor changes to README and adjustments to player metrics in settings

Add splash screen, static realm data, per-mode metric state, and TBC Anniversary zone IDs

Minor change to README