Update OpenAI agents guide python (#645)

* added new openai page

* New and improved OpenAI Agents SDK tutorial (Python)

* 🤖 Regenerate LLMs.txt

* restored overview page to keep the TS tutorial

* 🤖 Regenerate LLMs.txt

* addresed cursor's feedback

* removed broken links from overview page

* Update app/en/guides/agent-frameworks/openai-agents/overview/page.mdx

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* Apply suggestions from code review

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* Apply suggestions from code review

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* merged with main

* merge with main

* 🤖 Regenerate LLMs.txt

---------

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Author: 3 people

app/en/get-started/agent-frameworks/openai-agents/_meta.tsx

@@ -1,5 +1,6 @@
 export default {
   overview: "Overview",
+  "use-arcade-with-openai-agents": "Setup Arcade with OpenAI Agents SDK",
   "use-arcade-tools": "Using Arcade tools",
   "user-auth-interrupts": "Managing user authorization",
 };