fix typo in quick start (databricks#2)

Change

```Bash
pip install -e requirements.txt
```

to

```Bash
pip install -r requirements.txt
```

README.md

@@ -35,7 +35,7 @@ We recommend having at least 320GB of memory to run the model.
 Then, run:
 
 ```
-pip install -e requirements.txt # Or requirements-gpu.txt to use flash attention on GPU(s)
+pip install -r requirements.txt # Or requirements-gpu.txt to use flash attention on GPU(s)
 huggingface-cli login # Add your Hugging Face token in order to access the model
 python generate.py # See generate.py to change the prompt and other settings
 ```