✨ feat: Implement system setup functionality

model/setup.go

@@ -0,0 +1,16 @@
+package model
+
+type Setup struct {
+	ID            uint   `json:"id" gorm:"primaryKey"`
+	Version       string `json:"version" gorm:"type:varchar(50);not null"`
+	InitializedAt int64  `json:"initialized_at" gorm:"type:bigint;not null"`
+}
+
+func GetSetup() *Setup {
+	var setup Setup
+	err := DB.First(&setup).Error
+	if err != nil {
+		return nil
+	}
+	return &setup
+}