Adding migrations to inheritable fields for

Workers.

Author: Oxyjun

src/content/docs/workers/wrangler/configuration.mdx

@@ -182,6 +182,9 @@ At a minimum, the `name`, `main` and `compatibility_date` keys are required to d
 * `assets` <Type text="Assets" /> <MetaInfo text="optional" />
   - Configures static assets that will be served. Refer to [Assets](/workers/static-assets/binding/) for more details.
 
+* `migrations` <Type text="object"/> <MetaInfo text="optional"/>
+  - Maps a Durable Object from a class name to a runtime state. This communicates the changes to the Workers runtime and provides the runtime with instructions on how to deal with those changes. Refer to [Durable Objects migrations](/durable-objects/reference/durable-objects-migrations/#durable-object-migrations-in-wranglertoml).
+
 ## Non-inheritable keys
 
 Non-inheritable keys are configurable at the top-level, but cannot be inherited by environments and must be specified for each environment.