1. Create custom module

1. Enable developer mode

2. add custom-addons path in odoo.conf

                addons_path = e:\odoo\16\server\odoo\addons, e:\odoo\16\server\addons
                

3. new module

windows

                  
                  E:\odoo\python\python.exe E:\odoo\server\odoo-bin scaffold school E:\odoo\server\addons

                  //restart service
                  go to searchbar -> type services -> restart odoo server
                

Linux

Navigate to location of odoo-bin

                ./odoo-bin scaffold school ../addons/

                //restart server
                sudo systemctl restart odoo14
                

2. Structure

                controllers
                    - __init__.py
                    - controllers.py
                demo
                    - demo.xml
                models
                    - __init__.py
                    - models.py
                security
                    - ir.model.access.csv
                views
                    - templates.xml
                    - views.xml
                
                __init__.py   
                __manifest__.py