feat: migrated prisma -> gorm

adapters/secondary/gateways/models/article.go

@@ -0,0 +1,15 @@
+package models
+
+import (
+	"gorm.io/gorm"
+	"time"
+)
+
+type Article struct {
+	gorm.Model
+	ID        uint32 `gorm:"primary_key;auto_increment;not_null"`
+	Title     string
+	Body      string
+	CreatedAt time.Time `gorm:"autoCreateTime"`
+	UpdatedAt time.Time `gorm:"autoUpdateTime"`
+}