Add npm version and CI badges to README

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: tylergibbs1

README.md

@@ -10,6 +10,9 @@
 
 [usestratus.dev](https://usestratus.dev)
 
+[![npm version](https://img.shields.io/npm/v/stratus-sdk)](https://www.npmjs.com/package/stratus-sdk)
+[![CI](https://github.com/tylergibbs1/stratus/actions/workflows/ci.yml/badge.svg)](https://github.com/tylergibbs1/stratus/actions/workflows/ci.yml)
+
 A TypeScript agent framework for Azure OpenAI. Build multi-agent systems with tools, handoffs, guardrails, streaming, structured output, and more.
 
 `agents` `tools` `streaming` `structured output` `handoffs` `subagents` `guardrails` `hooks` `tracing` `sessions` `abort signals` `todo tracking` `cost tracking`