[modules-core] Move js code (#13895)

# Why

Moves js code from `@unimodules/core` and `react-native-adapter` to `expo-modules-core`

# How

- Move js code.
- Make sure everything is compiling

[modules-core] Move js code (#13895)

# Why

Moves js code from `@unimodules/core` and `react-native-adapter` to `expo-modules-core`

# How

- Move js code.
- Make sure everything is compiling

# Test Plan

- bare-expo
- ios ✅
- android ✅
- expo go
- ios ✅
- android ✅

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