docs: update docusaurus to v3 (#5625)

* update dependencies

* update onboarding mdx

* fixes for mdx issues

* fixes for mdx compatibility

* resolve mdx errors

* fixes in reference

* fix check errors

* revert change in vale action

* fix node version in action

* fix summary in markdown

www/apps/docs/content/references/pricing/interfaces/CreateMoneyAmountDTO.mdx

@@ -22,7 +22,7 @@ The money amount to create.
   },
   {
     "name": "currency",
-    "type": "[`CreateCurrencyDTO`](CreateCurrencyDTO.mdx)",
+    "type": "[CreateCurrencyDTO](CreateCurrencyDTO.mdx)",
     "description": "The currency of this money amount.",
     "optional": true,
     "defaultValue": "",