feat: Collection Icons (#1281)

* wip: Working for creation, and display

* feat: IconPicker

* fix

* feat: Invert collection icon color when dark in dark mode

* Improve readability of dropdown menus in dark mode
Suggest icon based on collection name

* Add additional icons
Tweaks and final polish

* fix: Write default icon as empty icon column

* feat: Improve icon selection logic
add more keywords
Improve icon coloring when selected and in dark mode

* lint

* lint

server/presenters/collection.js

@@ -24,6 +24,7 @@ export default function present(collection: Collection) {
     url: collection.url,
     name: collection.name,
     description: collection.description,
+    icon: collection.icon,
     color: collection.color || '#4E5C6E',
     type: collection.type,
     private: collection.private,