DX: Auto format on save (#526)

* save wip

* use elint instead of prettier to sort imports

* set imports to warn

* sync prettier settigns

* update prettier settings

* save working version

* fix export and disable mobile pipeline for now

* limit auto formatting to the app folder

app/src/components/native/RCTFragment.tsx

@@ -1,6 +1,6 @@
 import React, { useEffect, useRef } from 'react';
 import { NativeSyntheticEvent, requireNativeComponent } from 'react-native';
-import { UIManager, findNodeHandle } from 'react-native';
+import { findNodeHandle, UIManager } from 'react-native';
 
 export interface RCTFragmentViewManagerProps {
   RCTFragmentViewManager: ReturnType<typeof requireNativeComponent>;