* Update documentation for preload extension - include form element preloading and preload always attribute description
* Adjust version number
* Document HX-Preload header
* Rename preloaded header from HX-Preload to HX-Preloaded
* Up version
* Update www/content/extensions/preload.md
Co-authored-by: Vincent <vichenzo-thebaud@hotmail.com>
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Co-authored-by: Vincent <vichenzo-thebaud@hotmail.com>