**Motivation**
Namespaces have an icon for better discoverability. Right now, the icons are not always appropriate
{F18135411}
**Acceptance Criteria**
[] The following namespaces have the icons as linked, RTL or LTR as appropriate
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/article-ltr.svg | main space ]]
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/userAvatar.svg | user ]]
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/journal-ltr.svg | project namespace ]]
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/image.svg | file ]]
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/bright.svg | mediawiki ]]
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/puzzle-ltr.svg | template ]]
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/help-ltr.svg | help ]]
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/tag-ltr.svg | category ]]
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/map-ltr.svg | portal ]]
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/code.svg | module ]]
[[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/heart.svg | gadget ]]
[] other discussion namespaces get the icon as uploaded by @Volker_E
[] all remaining namespaces get [[ https://doc.wikimedia.org/oojs-ui/master/demos/dist/themes/wikimediaui/images/icons/articleSearch.svg |the fallback icon ]]