Summary

This PR introduces v2.5.0 with major documentation platform improvements and important security/maintainability enhancements.

🏗️ Major Changes

Complete Docusaurus migration: Modern documentation platform with search, mobile-first design, and Teams branding. Find it https://ismaelmartinez.github.io/teams-for-linux/
Cache manager now preserves authentication tokens: This might prevent 24-hour forced re-authentication cycles for #1357 (but I suspect is not going to be the final fix
macOS dock icon now displays correctly: With proper 128x128 minimum size requirement and fallback resizing
Browser preload script fix: browser preload scripts now correctly handle context isolation and sandboxing. This might fix #1789 and #1795

feat: v2.5.0 release - Docusaurus migration and security enhancements by @IsmaelMartinez in #1805

Full Changelog: v2.4.0...v2.5.0