docs: added relevant migration section (#3576)

docs/migration/v0.5.x-to-v0.6.x.md

@@ -20,3 +20,13 @@ We changed some properties for components to align with Figma properties:
 
 - `variant="hidden"` ➡️ `showLabel="true/false"` - Defaults to `true`
 - `customValidity` ➡️ `validation`
+
+## Automate migration via CLI
+
+We provide a cli tool to auto migrate your source code. Use this command in your repository:
+
+```shell
+npx @db-ui/[email protected] migration --type=v005_v006 --src=./src
+```
+
+Please check the changes made in your codebase afterwards, as this is mainly a simple search & replace and there might be unexpected changes of similar wordings to our icon names for any other methods, or further code occurrences that don't even refer to icons.