ensure jest-dom matchers included in types

docs/usage/WritingTests.mdx

@@ -351,7 +351,7 @@ interface ExtendedRenderOptions extends Omit<RenderOptions, 'queries'> {
 
 export function renderWithProviders(
   ui: React.ReactElement,
-  extendedRenderOptions: ExtendedRenderOptions = {},
+  extendedRenderOptions: ExtendedRenderOptions = {}
 ) {
   const {
     preloadedState = {},
@@ -367,7 +367,7 @@ export function renderWithProviders(
   // Return an object with the store and all of RTL's query functions
   return {
     store,
-    ...render(ui, { wrapper: Wrapper, ...renderOptions }),
+    ...render(ui, { wrapper: Wrapper, ...renderOptions })
   }
 }
 ```
@@ -478,6 +478,9 @@ export function renderWithProviders(
 The actual test files should use the custom `render` function to actually render our Redux-connected components. If the code that we're testing involves making network requests, we should also configure MSW to mock the expected requests with appropriate test data.
 
 ```tsx title="features/users/tests/UserDisplay.test.tsx"
+// file: jest-setup.ts noEmit
+import '@testing-library/jest-dom'
+
 // file: features/users/userSlice.ts noEmit
 import { createSlice, createAsyncThunk } from '@reduxjs/toolkit'
 import type { RootState } from '../../app/store'