Function createRateLimiter

Adapters exports - Model adapters (Claude, OpenAI, Gemini, Ollama) Split from index.ts for file size compliance (Issue #285)

createRateLimiter(config: AdapterRateLimiterConfig): AdapterRateLimiter
Creates a rate limiter with the specified configuration. Factory function for cleaner API.
Parameters
- config: AdapterRateLimiterConfig
  Rate limiter configuration
Returns AdapterRateLimiter
A new RateLimiter instance
Example
```
const limiter = createRateLimiter({
  capacity: 100,
  refillRate: 10,
});
```
- Defined in packages/nexus-agents/src/adapters/rate-limiter.ts:327