fix: Error when creating a package. Error in step Copying template … (#383)

Solves #382

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### Summary

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Fixes #382 according to react-native
[issue](facebook/react-native#36290)

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#382 won't reproduce with yarn installed.

Author: Dan Volkov

packages/create-react-native-library/src/utils/generateExampleApp.ts

@@ -73,6 +73,7 @@ export default async function generateExampleApp({
           '--version',
           reactNativeVersion,
           '--skip-install',
+          '--npm',
         ]
       : // `npx create-expo-app example --no-install`
         ['create-expo-app@latest', directory, '--no-install'];