Organize backend into product executable and shared Go modules

backend/shared/model/archivable.go

@@ -0,0 +1,18 @@
+package model
+
+type Archivable interface {
+	IsArchived() bool
+	SetArchived(archived bool)
+}
+
+type ArchivableBase struct {
+	Archived bool `bson:"isArchived" json:"isArchived"`
+}
+
+func (a *ArchivableBase) IsArchived() bool {
+	return a.Archived
+}
+
+func (a *ArchivableBase) SetArchived(archived bool) {
+	a.Archived = archived
+}