add warning about dynamic assets and vite v5.0.0+ (wailsapp#3254)

* add warning about dynamic assets and vite v5.0.0+

website/docs/guides/dynamic-assets.mdx

@@ -1,5 +1,14 @@
 # Dynamic Assets
 
+:::info
+
+This does not work with vite v5.0.0+ and wails v2 due to changes in vite. 
+Changes are planned in v3 to support similar functionality under vite v5.0.0+.
+If you need this feature, stay with vite v4.0.0+.
+See [issue 3240](https://github.com/wailsapp/wails/issues/3240) for details
+
+:::
+
 If you want to load or generate assets for your frontend dynamically, you can achieve that using the
 [AssetsHandler](../reference/options#assetshandler) option. The AssetsHandler is a generic `http.Handler` which will
 be called for any non GET request on the assets server and for GET requests which can not be served from the

website/docs/reference/options.mdx

@@ -314,6 +314,15 @@ If not defined, the result is the following in cases where the Handler would hav
 - GET request: `http.StatusNotFound`
 - Other request: `http.StatusMethodNotAllowed`
 
+:::info
+
+This does not work with vite v5.0.0+ and wails v2 due to changes in vite. 
+Changes are planned in v3 to support similar functionality under vite v5.0.0+.
+If you need this feature, stay with vite v4.0.0+.
+See [issue 3240](https://github.com/wailsapp/wails/issues/3240) for details
+
+:::
+
 NOTE: When used in combination with a Frontend DevServer there might be limitations, eg. Vite serves the index.html
 on every path, that does not contain a file extension.