Redesign an existing site

on the site https://deti-garmonya.ru/ on the tab "Information about educational
organization" will need to add new pages, documents and/or text to
them, move information (files) from some pages to other pages, delete some pages. Specifics on the task will be provided in the file.

please, mandatory for quick communication
Provide as many contacts as possible. Telegram missing!! Vatsap only 8 928 114 65 78