* refactor: batch feature metric inserts
* fix: use startOfHour when collapsing metrics
* refactor: avoid extra loop to sum yes/no values
* refactor: add experimental flag for batching metrics
* refactor: remove unused API definition routes
* feat: add support for proxy keys
* feat: support listening for any event
* feat: embed proxy endpoints
* refactor: add an experimental flag for the embedded proxy
* Implement user grouping feature for permissions
Co-authored-by: Thomas Heartman <thomas@getunleash.ai>
Co-authored-by: Jaanus Sellin <sellinjaanus@gmail.com>
Co-authored-by: Nuno Góis <github@nunogois.com>
Co-authored-by: Thomas Heartman <thomas@getunleash.ai>