feat: async chunk support

[zamotany]

Summary

Adds support for loading and evaluating asynchronous Webpack chunks created by using dynamic import import() or manually in Webpack configuration.

The feature the target app to include react-native-webpack-toolkit native module.
Currently, in development mode async chunks are loaded over HTTP(S) and in release/production they are bundled together with the main/index bundle into ipa/apk and loaded using filesystem loader.

• Webpack config, plugins and utils adjustments
• HTTP(S) chunk loader for iOS
• HTTP(S) chunk loader for Android
• Hermes support with async chunks from HTTP(S) on iOS
• Hermes support with async chunks from HTTP(S) on Android
• Filesystem chunk loader for iOS
• Filesystem chunk loader for Android
• Hermes support with async chunks from Filesystem on iOS (only main bundle is bytecode)
• Hermes support with async chunks from Filesystem on Android (only main bundle is bytecode)
• Improved error handling in native modules
• Documentation

Test plan

1. Add dynamic import import() or manual chunk declaration to Webpack config.
2. Run iOS/Android application in debug/release mode.