Organize backend into product executable and shared Go modules

backend/shared/database/internal/builder/value.go

@@ -0,0 +1,17 @@
+package builderimp
+
+import (
+	"git.sendico.io/tech/sxchnge/shared/database/repository/builder"
+)
+
+type valueImp struct {
+	value any
+}
+
+func (v *valueImp) Build() any {
+	return v.value
+}
+
+func NewValue(value any) builder.Value {
+	return &valueImp{value: value}
+}