preferencestore (#15018)

* Starting migration

* Migration finished

* Fix i18n

* Fix some tests

* Fix typos

* Remove overwite of http status

* Add i18n string

* Fix i18n

* fix breakages

* fix tests

Co-authored-by: Rodrigo Villablanca <villa061004@gmail.com>

store/errors.go

@@ -102,3 +102,16 @@ func (e *ErrOutOfBounds) Error() string {
 func NewErrOutOfBounds(value int) *ErrOutOfBounds {
 	return &ErrOutOfBounds{value: value}
 }
+
+// ErrNotImplemented indicates that some feature or requirement is not implemented yet.
+type ErrNotImplemented struct {
+	detail string
+}
+
+func (e *ErrNotImplemented) Error() string {
+	return e.detail
+}
+
+func NewErrNotImplemented(detail string) *ErrNotImplemented {
+	return &ErrNotImplemented{detail: detail}
+}