docs: migrate UI docs (#13245)

* docs: create a new UI docs project (#13233)

* docs: create a new UI docs project

* fix installation errors

* docs: migrate UI docs content to new project (#13241)

* Fix content

* added examples for some components

* finish adding examples

* lint fix

* fix build errors

* delete empty files

* path fixes + refactor

* fix build error

www/apps/ui/specs/examples/date-picker-disabled-dates.tsx

@@ -0,0 +1,20 @@
+"use client"
+
+import { DatePicker } from "@medusajs/ui"
+
+export default function DatePickerDisabledDates() {
+  // Disable weekends (Saturday and Sunday)
+  const isWeekend = (date: Date) => {
+    const day = date.getDay()
+    return day === 0 || day === 6 // Sunday = 0, Saturday = 6
+  }
+
+  return (
+    <div className="w-[300px]">
+      <DatePicker
+        isDateUnavailable={isWeekend}
+        aria-label="Select a weekday (weekends disabled)"
+      />
+    </div>
+  )
+}