fix goid for go1.25

Add categorized loggers (#94)

* Add categorized loggers

* Always add "category" to context for categorized loggers

* Refactor categoried logger into own file, update tests

* Revert change for fluent *Logger

* Refrain from using fluent interface for SetLevel

* Add benchmark for worst-case usage of categorized logger

ensure folder when file writer rotating

add function to caller

trim path for slog function

fix fastcaller inline bug

disable more inlining methods for go1.23

disable inlining for Fields methoid

refactor nil entry checks to be consistent

add linux 32bit support for writev