docs-ui: add missing component slugs and fix changelog sync

Add `badge`, `slider`, and `use-table` to the Component type so
the changelog sync script recognizes them. Add `useTable` special
case mapping in the sync script, and include `use-table` in the
Table docs page changelog.

Also fix CHANGELOG.md to use `Slider` instead of `RangeSlider`
as the affected component name.

Signed-off-by: Johan Persson <johanopersson@gmail.com>

docs-ui/scripts/sync-changelog.mjs

@@ -99,6 +99,7 @@ function pascalToKebab(str) {
     DataTable: 'datatable',
     ScrollArea: 'scrollarea',
     'Grid.Item': 'grid-item',
+    useTable: 'use-table',
   };
 
   if (specialCases[str]) {