* Add zkgroup library
* tsconfig.json: Prettier wants to mess it up. :0(
* Initial take on versioned profile fetches
* Fix up the logging in getProfiles() - warn instead of error
* Introduce new VERSIONED_PROFILE_FETCH flag
* Update zkgroup dependency to v0.5.0
* Fix lint-deps - new zkgroup library brought in new debug dep
* ts/zkgroup: Introduce some commonly-used helper functions
* Update to latest serverPublicParams
* Don't derive profileKeyVersion unless flag is set
* Decrypt given and family names from profile name string
* Handle both given and family name from decrypted profile name
* Ensure we properly handle profiles with no family name
Also:
- New schema version 8 with video/image thumbnails, screenshots, sizes
- Upgrade messages not at current schema version when loading messages
to show in conversation
- New MessageDetail react component
- New ConversationHeader react component
