What's Changed
* Getting rid of global metrics and the global registry
* The configuration of metrics is placed in the `MetricsConfig` class in each integration
* Added the ability to use your own registry or specify a global `REGISTRY` to support older metrics
* Removing unnecessary dependencies: now you have to install the [opentelemetry exporter](https://github.com/draincoder/asgi-monitor/blob/master/README.md#tracing) you need
Full Changelog: https://github.com/draincoder/asgi-monitor/compare/v0.2.0...v0.3.0