docs(plugin-multi-tenant): update tenantsArrayField config options (#11045)

docs/plugins/multi-tenant.mdx

@@ -122,6 +122,18 @@ type MultiTenantPluginConfig<ConfigTypes = unknown> = {
          * Access configuration for the array field
          */
         arrayFieldAccess?: ArrayField['access']
+        /**
+         * Name of the array field
+         *
+         * @default 'tenants'
+         */
+        arrayFieldName?: string
+        /**
+         * Name of the tenant field
+         *
+         * @default 'tenant'
+         */
+        arrayTenantFieldName?: string
         /**
          * When `includeDefaultField` is `true`, the field will be added to the users collection automatically
          */
@@ -137,6 +149,8 @@ type MultiTenantPluginConfig<ConfigTypes = unknown> = {
       }
     | {
         arrayFieldAccess?: never
+        arrayFieldName?: string
+        arrayTenantFieldName?: string
         /**
          * When `includeDefaultField` is `false`, you must include the field on your users collection manually
          */