The project to be placed. if I put it with the option in development. is it listed in the search section?. or I can put it in private and give the link in the section thread. it's just that if it's not finished. it will only contain images and a video. Description and others of the project. if it appears in the search they will think that it can be downloaded. and it's not ready yet. it's just to announce it. So, could that link be placed in the announcements section?. in private?. that it can only be seen by those who enter by link of the Announcement or by my profile.
Linking to a private project makes no sense. You can make it public without uploads, but it won't appear in searches. Some people announce their games even so. Maybe you want them to know in advance that your project will be released on a certain date. But then make a good project page and a good release announcement.