feat!: big feature changes

BREAKING CHANGES:
- Heartbeating removed
- `config.consoleLogLevel` -> `config.logLevel`

NEW FEATURES:
- Training messages
- Sequence number system
- WebSocket close codes used instead of disconnect packets

FIXES:
- Improved error handling
- Some performance improvements
- Made code more clean
- Updated dependencies

packages/shared/src/index.ts

@@ -1,3 +1,3 @@
-export * from './constants/index'
-export * from './schemas/index'
-export * from './utils/index'
+export * from './constants'
+export * from './schemas'
+export * from './utils'