v2 Refactor (#85)

* reorganize folders, implement layers pattern, rename some things, copy over basis layer

* more organization, better define Environnent layer, separate StandardReality from layers, move layers up, fix examples

* export realities properly

* mvp of custom-signalled, refactored networked layer going

* refactor connect into connection, create data manager, to send/listen for data, make player layer child of network layer

* smol refactors

* remove hardcoded ice servers, add iceservers as networked layer prop, set up local signalling method

* create muse and local signallers, implement health checks for both, clean up types at layer level

* rename health to wave, accept networked props on standard reality, smol refactors

* fix autocorrect logic, use pr deployment for signalling

* rename networked to network

* remove types file and place appropriately, create channels with stream & sync options, remove datamanager

* change listen to receive, clean up channel typings, add useLimitedFrame hook, move player position logic to NetworkedEntities, give channel states default values

* try to help conn close issues, fix up greet and test with light switch component

* add worlds with lost example, add tools with camera example, fix imports/exports, remove scripts/babelrc, add keys/dom logic, small refactors

* accept session password on network connect

* upgrade to ref v8, reactv18, threejsv139, migrate examples to next.js+ts project, lots of refactors to fix post-upgrade

* add component to remove enter vr button

* update examples tsconfig to work and match muse-universe

* fix safari pointer lock controls

* fix hdri, change camera aspect ratio to 3x2

* clean up types, add name to environment, rewrite readme

* finalize readme

Author: alex-shortt