Organize backend into product executable and shared Go modules

backend/product/customers/store/account.go

@@ -0,0 +1,14 @@
+package account
+
+import (
+	"context"
+	customermodel "git.sendico.io/tech/sxchnge/product/customers/model"
+
+	"git.sendico.io/tech/sxchnge/shared/database/template"
+)
+
+// DB is the interface which must be implemented by all db drivers
+type DB interface {
+	template.DB[*customermodel.Account]
+	GetByEmail(ctx context.Context, email string) (*customermodel.Account, error)
+}