[core] Add native functions for UUIDv4 generation (#24199)

# Why

For Android and iOS we want to use native UUIDv4 generation methods.

# How

Exposed the common methods using the `CoreModule`

[core] Add native functions for UUIDv4 generation (#24199)

# Why

For Android and iOS we want to use native UUIDv4 generation methods.

# How

Exposed the common methods using the `CoreModule` file.
Changed the way uuids are exported. Now `expo-modules-core` exports a
`uuid` object which contains `v4` function.

# Test Plan

Tested in BareExpo on Android, ios and web

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