chore(compat): fix example config syntax error (#5027)

lucaswerkmeister · web-flow · commit f73547fc05ab · 2021-12-05T23:24:59.000-05:00
The chainWebpack arrow function wasn’t being closed.
diff --git a/packages/vue-compat/README.md b/packages/vue-compat/README.md
@@ -89,6 +89,7 @@ The following workflow walks through the steps of migrating an actual Vue 2 app
              }
            }
          })
+     }
    }
    ```
 

Original file line number	Diff line number	Diff line change
`@@ -89,6 +89,7 @@ The following workflow walks through the steps of migrating an actual Vue 2 app`
`89`	`89`	`}`
`90`	`90`	`}`
`91`	`91`	`})`
	`92`	`+ }`
`92`	`93`	`}`
`93`	`94`	```
`94`	`95`