* fix: propagate Maintainer field through dep graph and upgrade service
Add Maintainer to InstallInfo and propagate it through the dependency
graph (dep_resolve, dep_visual) and UpgradeService. Update docs
generator with TOC support and Lua page builder.
* lint
* add upgrade hook structure
* remove extra field
* feat: Add UpgradeSelect hook logging and security example
Add yay.log API to UpgradeSelect hooks for informational and warning messages.
- Add yay.log.info() and yay.log.warn() for hook logging
- Add doc/examples/recently_modified.lua: practical example to pre-exclude
recently-modified AUR packages (supply chain attack mitigation)
- Update doc/init.lua with improved UpgradeSelect example
- Update doc/lua.md with logging API documentation
- Refactor autocmd and load modules for cleaner log integration
- Add comprehensive unit tests for logging functionality
* lint
Jo