Step-by-Step Guide to Setup Mail.Ru App:

To register an application on Mail.Ru, please follow the steps below:

1. Login to Mail.Ru and go to Page Mail.Ru Add App to create application.
   Then, press the button in red rectangle like the picture below.
   
2. Select "Я принимаю правила использования Платформы@Mail.Ru" and press the button in red rectangle.
   
3. Fill the create form with the below information
   • Название: (name of application)
   • Адрес главной страницы: https://api2.socialall.dev/
     Then press the button in red rectangle.
     
4. In order of pictures below, press the button or link in red rectangle.
   
   
5. After created application success, you can get the "ID" and "Секретный ключ" to fill SocialAll Mail.Ru Settings form.
   
6. In SocialAll page, you choose tab "Networks" ---> choose "Mail.Ru" ---> fill the "ID" into "client_id" and "Секретный ключ" into "client_secret" like image below:
   
7. Finaly, you press "Save" button.