chore(js): add expo example app and move to pnpm #738

Job	Run time
Run checks (ubuntu-latest)	26s
Run checks (macos-latest)	32s
Run checks (windows-latest)	1m 48s
Build library (iOS) (aarch64-apple-ios)	2m 31s
Run tests (ubuntu-latest)	3m 5s
Build library (iOS) (aarch64-apple-ios-sim)	2m 29s
Build library (iOS) (x86_64-apple-ios)	2m 19s
Run tests (macos-latest)	2m 7s
Build library (Android) (aarch64-linux-android)	5m 41s
Build library (linux-aarch64, ubuntu-latest, libaries_askar.so, aarch64-unknown-linux-gnu, true)	3m 32s
Run tests (windows-latest)	4m 57s
Build library (linux-x86_64, ubuntu-latest, libaries_askar.so, x86_64-unknown-linux-gnu, true)	3m 37s
Build library (Android) (armv7-linux-androideabi)	5m 44s
Build library (darwin-universal, macos-latest, libaries_askar.dylib, darwin-universal, beta)	3m 11s
Build library (Android) (i686-linux-android)	5m 55s
Build library (windows-x86_64, windows-latest, aries_askar.dll, x86_64-pc-windows-msvc)	3m 57s
Build library (Android) (x86_64-linux-android)	5m 47s
Create iOS xcframework	25s
Build and test JavaScript wrapper (linux-aarch64)	53s
Build and test Python wrapper (linux-aarch64, 3.8)	24s
Build and test JavaScript wrapper (linux-x86_64)	1m 8s
Build and test Python wrapper (linux-x86_64, 3.8)	28s
Build and test Python wrapper (darwin-universal, 3.8)	42s
Build and test JavaScript wrapper (darwin-universal)	58s
Build and test Python wrapper (windows-x86_64, 3.8)	1m 3s
Successful build	1s
Create library (Android)	8s
Create iOS and Android release assets	0s
	1h 3m 48s

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