docs: add slot limitation to Dynamic Fields docs

Author: chrisvxd

apps/docs/pages/docs/integrating-puck/dynamic-fields.mdx

@@ -166,6 +166,10 @@ const config = {
 }}
 />
 
+## Limitations
+
+The [`slot` field](/docs/api-reference/fields/slot) is not currently support with Dynamic Fields, but most use-cases can be achieved using [Dynamic Props](dynamic-props).
+
 ## Further reading
 
 - [`resolveFields` API reference](/docs/api-reference/configuration/component-config#resolvefieldsdata-params)