Clarify the usage of the symbol "@" in the keys on the guide async-storage/website/docs/Usage.md

[KirillBorunov]

What happened?

In the examples you are using the symbol "@" in the key argument, but there is no explain why, and if this is required.

async-storage/website/docs/Usage.md

Line 26 in ba98315

await AsyncStorage.setItem('@storage_Key', value)

async-storage/website/docs/Usage.md

Line 38 in ba98315

await AsyncStorage.setItem('@storage_Key', jsonValue)

async-storage/website/docs/Usage.md

Line 54 in ba98315

const value = await AsyncStorage.getItem('@storage_Key')

async-storage/website/docs/Usage.md

Line 70 in ba98315

const jsonValue = await AsyncStorage.getItem('@storage_Key')

Version

https://react-native-async-storage.github.io/async-storage/docs/usage

What platforms are you seeing this issue on?

• Android
• iOS
• macOS
• Windows
• web

System Information

Issue is about the docs.

Steps to Reproduce

Not needed.

[krizzu]

It's nothing special about it, it's fine to ignore