fix: refactor labels to use common entries between model and dto

internal/models/annotation.go

@@ -0,0 +1,12 @@
+package models
+
+import (
+	"github.com/glueops/autoglue/internal/common"
+)
+
+type Annotation struct {
+	common.AuditFields `gorm:"embedded"`
+	Organization       Organization `gorm:"foreignKey:OrganizationID;constraint:OnDelete:CASCADE" json:"organization"`
+	Key                string       `gorm:"not null" json:"key"`
+	Value              string       `gorm:"not null" json:"value"`
+}