add sender and receiver

internal/entities/letter_incoming.go

@@ -22,6 +22,7 @@ type LetterIncoming struct {
 	Description         *string              `json:"description,omitempty"`
 	PriorityID          *uuid.UUID           `json:"priority_id,omitempty"`
 	SenderInstitutionID *uuid.UUID           `json:"sender_institution_id,omitempty"`
+	SenderName          *string              `json:"sender_name,omitempty"`
 	ReceivedDate        time.Time            `json:"received_date"`
 	DueDate             *time.Time           `json:"due_date,omitempty"`
 	Status              LetterIncomingStatus `gorm:"not null;default:'new'" json:"status"`

internal/entities/letter_outgoing.go

@@ -24,6 +24,7 @@ type LetterOutgoing struct {
 	Description           *string              `json:"description,omitempty"`
 	PriorityID            *uuid.UUID           `json:"priority_id,omitempty"`
 	ReceiverInstitutionID *uuid.UUID           `json:"receiver_institution_id,omitempty"`
+	ReceiverName          *string              `json:"receiver_name,omitempty"`
 	IssueDate             time.Time            `json:"issue_date"`
 	Status                LetterOutgoingStatus `gorm:"not null;default:'draft'" json:"status"`
 	ApprovalFlowID        *uuid.UUID           `json:"approval_flow_id,omitempty"`