* Removing superfluous div wrapping

It seems like standalone text is already wrapped in paragraph elements, so this code seems superfluous. Additionally, it adds div wrappers at every line break as described in #4524

* Fix for newlines and returns

This change skips newlines and returns to focus on unbounded text only.

* misc: fix indentation

* misc: fix indentation (2)
Co-authored-by: Nicolas Giard <github@ngpixel.com>

Fix the issue described in discussion #3502 regarding header links and TOC failing to properly generate when header ID is custom defined.

Fix spelling of "superscript"
***NO_CI***

+ Remove duplicated await
+ Replace some legacy codes with ES6
+ Fix some of eslint problems

* fix: secure html module removes allowfullscreen, allow and frameborder attributes from iframes
* Apply suggestions from code review
fix: remove deprecated attributes for iframe in secure html module
Co-authored-by: Nicolas Giard <github@ngpixel.com>

* feat: Caching kroki svgs #2020

* fix: no markdown support for underline #2072

* feat: Kroki integration

see https://kroki.io/

* fix: markdown-kroki def updates
Co-authored-by: Nicolas Giard <github@ngpixel.com>

* #1853: XSS attack fix by adding rel noferrer or rel noopen to _blank target external links

* fix: relAttributeExternalLink noopener
Co-authored-by: danallendds <daniel.allen@friends.dds.mil>
Co-authored-by: Nicolas Giard <github@ngpixel.com>