create and publish an app in goolge Workspace (Markeplace) to Sheets only

Hi, i have a finished my script in GAS (Google App Script) and i need help to publish this in Marketing Place (Workspace Google), must that you help me buliding my script in app and publish this there. the target is any user this app in your Sheets in Google sheet doing download from the Marketplace. Please check my video taht you will see this scrip working. https://drive.google.com/file/d/1rmVBSLR4Kw_lak8xHHThwxARME-qXysL/view?usp=sharing Please Check my file as well and let me know any question

Timeframe: 15 Days