feat(tarko-agent-server-next): support replacing server global logger

[cjraft]

Summary

1. Support replacing server global logger (tarko ConsoleLogger is used by default)

const logger = {
  name: 'custom',
  info: (...splat) => {
    const requestId = getContext<{ Variables: ContextVariables }>().var.requestId;
    console.log(`[CUSTOM LOGGER] ${requestId}`, ...splat)
  },
  warn: console.warn,
  error: console.error,
  debug: console.debug,
  setLevel: () => {  }
}

server.setLogger(logger)

2. Add ContextStorageHook so that other middleware and methods can easily get the request id

import { getContext } from 'hono/context-storage';

const logId = getContext<{ Variables: ContextVariables }>().var.requestId;

Checklist

• Added or updated necessary tests (Optional).
• Updated documentation to align with changes (Optional).
• Verified no breaking changes, or prepared solutions for any occurring breaking changes (Optional).
• My change does not involve the above items.

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