fix: all enums same style (#262)

* fix: all enums same style

* fix: rename process to reduce

* add some missing enum renaming

Co-authored-by: Livio Amstutz <livio.a@gmail.com>

internal/eventstore/query/handler.go

@@ -7,6 +7,6 @@ import (
 type Handler interface {
 	ViewModel() string
 	EventQuery() (*models.SearchQuery, error)
-	Process(*models.Event) error
+	Reduce(*models.Event) error
 	OnError(event *models.Event, err error) error
 }