[Cart Power] Power Blog 2.21

[+] - The ability to calculate the estimated reading time of an article was added.
[+] - A separate setting for the reading progress bar for mobile devices was added.
[+] - If the author of the article is a vendor, a block with the vendor's products can be placed on the author's page.
[+] - The ability to change the type of an article after its creation was added.
[+] - The ability to markup the dateModified for articles was added. Requires CP add-on: JSON-LD Markup.
[*] - The “Blog Categories” section was renamed to “Blog Structure”. Marker was added to blog sections.
[*] - The ”Image gallery” tab was added to articles with the ”Article” type.
[!] - The ”All authors” page was available for vendors. Fixed.
[!] - If only the “Available from” field was indicated in the availability period, then the article was not available on the storefront. Fixed.
[!] - On the latest versions of CS-Cart, there were problems in integration with the social buttons add-on. Fixed.
[!] - In some cases, the author of the article was not displayed on the storefront. Fixed.
[!] - There was a conflict with Unitheme styles. Fixed.
[!] - Minor fixed for Yandex turbo pages.