Added migrations

internal/interfaces/api/responses/post_response.go

@@ -0,0 +1,15 @@
+package responses
+
+import "time"
+
+type PostResponse struct {
+	Id          string    `json:"id"`
+	UserId      string    `json:"userId"`
+	Title       string    `json:"title"`
+	Description string    `json:"description"`
+	Content     string    `json:"content"`
+	CreatedAt   time.Time `json:"createdAt"`
+	UpdatedAt   time.Time `json:"updatedAt"`
+}
+
+type PostResponseList []*PostResponse