Add disclaimer to README

Author: chriscarrollsmith

README.md

@@ -2,6 +2,8 @@
 
 A quick-start template using the OpenAI [Assistants API](https://platform.openai.com/docs/assistants/overview) with [Python](https://www.python.org/), [Jinja2](https://jinja.palletsprojects.com/en/3.1.x/), and [FastAPI](https://fastapi.tiangolo.com/).
 
+**Note:** This repository is under construction and not yet functional.
+
 ## Quickstart Setup
 
 ### 1. Clone repo
@@ -20,7 +22,8 @@ cp .env.example .env
 ### 3. Install dependencies
 
 ```shell
-uv install -r pyproject.toml
+uv venv
+uv pip install -r pyproject.toml
 ```
 
 ### 4. Run