refac: renamed 'post' -> 'article'

adapters/secondary/gateways/models/article.go

@@ -0,0 +1,18 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Article struct {
+	gorm.Model
+	ID        uint32 `gorm:"primary_key;auto_increment;not_null"`
+	Title     string
+	Body      string
+	Images    []*Image  `gorm:"many2many:article_images;"`
+	IsOnline  bool      `gorm:"not_null;default:false"`
+	CreatedAt time.Time `gorm:"autoCreateTime"`
+	UpdatedAt time.Time `gorm:"autoUpdateTime"`
+}