Organize backend into product executable and shared Go modules

backend/shared/database/config.go

@@ -0,0 +1,13 @@
+package db
+
+import (
+	sharedmodel "git.sendico.io/tech/sxchnge/shared/model"
+)
+
+type DBDriver string
+
+const (
+	Mongo DBDriver = "mongodb"
+)
+
+type Config = sharedmodel.DriverConfig[DBDriver]