[Web] Fix hot reload (#3540)

## Description

This PR fixes hot reload on web, which has broken probably while moving to monorepo.

## Test plan

- Tested on expo-example (also verified that native side works)
- `yarn ts-check` and `yarn lint-js`

Author: m-bert

apps/expo-example/index.ts

@@ -1,3 +1,4 @@
+import '@expo/metro-runtime';
 import { registerRootComponent } from 'expo';
 
 import App from './App';

apps/expo-example/tsconfig.json

@@ -6,7 +6,7 @@
     "paths": {
       "common-app": ["../common-app/index.ts"],
       "react-native-gesture-handler": [
-        "../../packages/react-native-gesture-handler/index.ts"
+        "../../packages/react-native-gesture-handler/src"
       ],
       "react-native-gesture-handler/ReanimatedSwipeable": [
         "../../packages/react-native-gesture-handler/src/components/ReanimatedSwipeable.tsx"