Made changes to readme and pinning to llamastack v0.0.61 (#624)

# What does this PR do?

Pinning zero2hero to 0.0.61 and updated readme


## Test Plan
Please describe:
 - Did a end to end test on the server and inference for 0.0.61
 
Server output:
<img width="670" alt="image"
src="https://github.com/user-attachments/assets/66515adf-102d-466d-b0ac-fa91568fcee6"
/>


## Before submitting

- [x] This PR fixes a typo or improves the docs (you can dismiss the
other checks if that's the case).
- [x] Ran pre-commit to handle lint / formatting issues.
- [x] Read the [contributor
guideline](https://github.com/meta-llama/llama-stack/blob/main/CONTRIBUTING.md),
      Pull Request section?
- [x] Updated relevant documentation.
- [ ] Wrote necessary unit or integration tests.

docs/zero_to_hero_guide/00_Inference101.ipynb

@@ -358,7 +358,7 @@
     "    if not stream:\n",
     "        cprint(f'> Response: {response.completion_message.content}', 'cyan')\n",
     "    else:\n",
-    "        async for log in EventLogger().log(response):\n",
+    "        for log in EventLogger().log(response):\n",
     "            log.print()\n",
     "\n",
     "# In a Jupyter Notebook cell, use `await` to call the function\n",
@@ -366,16 +366,6 @@
     "# To run it in a python file, use this line instead\n",
     "# asyncio.run(run_main())\n"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 11,
-   "id": "9399aecc",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "#fin"
-   ]
   }
  ],
  "metadata": {