feat: add send file caption (#49)

src/domains/send/file.go

@@ -3,8 +3,9 @@ package send
 import "mime/multipart"
 
 type FileRequest struct {
-	Phone string                `json:"phone" form:"phone"`
-	File  *multipart.FileHeader `json:"file" form:"file"`
+	Phone   string                `json:"phone" form:"phone"`
+	File    *multipart.FileHeader `json:"file" form:"file"`
+	Caption string                `json:"caption" form:"caption"`
 }
 
 type FileResponse struct {

src/services/send.go

@@ -189,6 +189,7 @@ func (service serviceSend) SendFile(ctx context.Context, request domainSend.File
 		FileName:      proto.String(request.File.Filename),
 		FileEncSha256: uploadedFile.FileEncSHA256,
 		DirectPath:    proto.String(uploadedFile.DirectPath),
+		Caption:       proto.String(request.Caption),
 	}}
 	ts, err := service.WaCli.SendMessage(ctx, dataWaRecipient, msgId, msg)
 	go func() {