* fix(explorer): vertically center the Explorer toggle under mobile view
* Added a separate title font configuration
* Added googleSubFontHref function
* Applied --titleFont to PageTitle
* Made googleFontHref return array of URLs
* Dealing with empty and undefined title
* Minor update
* Dealing with empty and undefined title
* Refined font inclusion logic
* Adopted the googleFontHref + googleFontSubsetHref method
* Adaptively include font subset for PageTitle
* Restored default config
* Minor changes on configuration docs
* Formatted source code
* fix: Fix `Backlinks` not applying the display class
Fix#518
* fix: Apply `displayClass` to all layout components
* refactor: Use same style
* fix: Remove `undefined` class using coalescing operator
