Combobox (supporting contributions in free) (#1838)

* hold the mustard! let's make it yellower

* words

* update sidebar

* update changelog

* fix icon cropping

* add combobox support

* preserve user-selected order

* add quick pro flag

* move import to the top

* fix custom tag example

cspell.json

@@ -105,6 +105,7 @@
     "keydown",
     "keyframes",
     "keymaker",
+    "Kickstarter",
     "Konnor",
     "Kool",
     "labelledby",
@@ -117,6 +118,7 @@
     "lowercasing",
     "Lucide",
     "maxlength",
+    "mdash",
     "Menlo",
     "menuitemcheckbox",
     "menuitemradio",
@@ -130,6 +132,7 @@
     "mouseout",
     "mouseup",
     "multiselectable",
+    "nbsp",
     "nextjs",
     "nocheck",
     "noindex",
@@ -179,6 +182,7 @@
     "shadowrootmode",
     "Shortcode",
     "Shortcodes",
+    "signup",
     "sitedir",
     "slotchange",
     "smartquotes",