chore: add prettier and run it on all files

src/app/app-reducer.test.ts

@@ -1,22 +1,26 @@
-import { appReducer, InitialStateType, setAppErrorAC, setAppStatusAC } from './app-reducer'
+import {
+  appReducer,
+  InitialStateType,
+  setAppErrorAC,
+  setAppStatusAC,
+} from './app-reducer'
 
-let startState: InitialStateType;
+let startState: InitialStateType
 
 beforeEach(() => {
-	startState = {
-		error: null,
-		status: 'idle',
-		isInitialized: false
-	}
+  startState = {
+    error: null,
+    status: 'idle',
+    isInitialized: false,
+  }
 })
 
 test('correct error message should be set', () => {
-	const endState = appReducer(startState, setAppErrorAC('some error'))
-	expect(endState.error).toBe('some error');
+  const endState = appReducer(startState, setAppErrorAC('some error'))
+  expect(endState.error).toBe('some error')
 })
 
 test('correct status should be set', () => {
-	const endState = appReducer(startState, setAppStatusAC('loading'))
-	expect(endState.status).toBe('loading');
+  const endState = appReducer(startState, setAppStatusAC('loading'))
+  expect(endState.status).toBe('loading')
 })
-