update templates folder links

[Arhell]

Q	A
Is bugfix?	✔️/❌
New feature?	✔️/❌
Breaks BC?	✔️/❌
Fixed issues	resolve #304

[what-the-diff]

PR Summary

• Updates to Side Navigation
  The SideNavWidget.php file now has been updated with new links to the Bootstrap documentation, increasing the overall resource accessibility for developers.

• Improvements on Stylesheet Comment
  In the style.css file, a previously existing comment has been updated with a new URL addressing known Android browser issues. This should enhance the viewing experience on Android devices.

• Enhancements to Main Document
  The main.tex file has seen changes in the form of URL updates, intended to resolve issues related to list spacing, the copy-pasting of whitespace, and support for GitHub markdown strikethrough functionality. These changes should improve the usability and consistency of the document.

• Updates to the Title Document
  The title.tex file now points to the latest Yii framework documentation following the updates to its URLs, ensuring that users have access to the most recent and relevant information available.