OpenSpending Data Portal (#868)

* [#856,openspending][xl]: initial commit

* [examples/openspending][xs] - remove console.logs

---------

Co-authored-by: Luccas Mateus de Medeiros Gomes <luccasmmg@gmail.com>

examples/openspending/components/Button.tsx

@@ -0,0 +1,15 @@
+import Link from 'next/link'
+import clsx from 'clsx'
+
+export function Button({ href, className = "", ...props }) {
+  className = clsx(
+    'inline-flex justify-center rounded-2xl bg-emerald-600 p-4 text-base font-semibold text-white hover:bg-emerald-500 focus:outline-none focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-emerald-500 active:text-white/70',
+    className
+  )
+
+  return href ? (
+    <Link href={href} className={className} {...props} />
+  ) : (
+    <button className={className} {...props} />
+  )
+}