More Squirrly SEO Updates

* Update - Add the Llms.txt feature to configure rules for AI crawlers
* Fix - Sitemap cache directory creation issue on multilingual sites
* Fix - Daily progress and optimization in Rankings
* Fix - Compatibility with Divi pagination to show the correct canonical meta

* Update - Added the option to recheck a ranking keyword in Rankings
* Update - Compatibility issue when $post->id is false
* Update - Compatibility with TranslatePress URLs on Sitemap URLs
* Update - Canonical link identification in Focus Pages
* Update - Add language path support for sitemap cache directory
* Fix - Issue when adding suggested inner links
* Fix -Remove suggested inner links after added
* Fix - Warning in API calls on line 278 for grabbing post content
* Fix - WooCommerce error on Snippet product URL
* Fix - Popup layout and style in Squirrly > Overview