fetzi/server-timing

# Changelog
All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [1.0.0] (2019-12-06)
### Added
- classes for Server-Timing measurement
- PSR-15 middleware to gather default metrics
- Laravel middleware