move all imports to own domain

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

store/store.go

@@ -1,6 +1,5 @@
 // Package store is an interface for distributed data storage.
-// The design document is located at https://github.com/micro/development/blob/master/design/framework/store.md
-package store
+package store // import "go.unistack.org/micro/v3/store"
 
 import (
 	"context"