Hi,
I have uploaded my extension on AMO by using web-ext cli-tool.
I cannot submit to public amo now my extension ?
I cannot found a way to publish.
I must delete and reupload with the website ?
At this time, web-ext does not support publishing your extension to AMO. 
You will need to go through the publishing process on AMO. Here’s a quick walk through: https://developer.mozilla.org/Add-ons/WebExtensions/Publishing_your_WebExtension
Here is a list of current commands for web-ext: https://developer.mozilla.org/Add-ons/WebExtensions/web-ext_command_reference