Monorepo [2/?] - use hoisted dependencies for Reanimated, app common code and paper example

[tjzel]

Summary

About

This pull request is a part of the effort of migrating to monorepo structure:

• Monorepo  #5992
• Monorepo [0/?] - move move github actions to root #5993
• Monorepo [1/?] - move precommit scripts to root #5998

Summary

This particular pull request moves app directory to a package called reanimated-app and Example directory to reanimated-paper-example package. It also makes use of hoisted node_modules for those two packages and react-native-reanimated.

Test plan

Run reanimated-paper-example on both iOS and Android to see that it works.