Authme ForceLogin

# **✨ Main additions**
✅ Full compatibility with Paper 1.21.5 up to 1.21.9.

✅ Plugin forced to load after AuthMe via depend: AuthMe in plugin.yml

✅ Use of secure Reflection for AuthMe API (forceLogin, isAuthenticated)

✅ Login execution scheduled with a one-tick scheduler to ensure AuthMe is ready

✅ Silent handling of already logged-in players (isAuthenticated) to prevent duplicates

✅ Support for hybrid offline/online mode