fix: Update Gradio app and inference docs for correct dependency installation

This commit makes two key changes:
- Updates inference.md to use `dev` extra instead of `gradio` for dependency installation
- Modifies Gradio app to list all models, not just deployed ones

Author: fcdl94

docs/how_to/inference.md

@@ -79,10 +79,10 @@ As for remote inference, you can pass the `annotate` parameter to return a previ
 ## 🖼️ Cloud Inference with Gradio
 You can further use Gradio to create a web interface for your model.
 
-First, install the `gradio` extra dependency.
+First, install the `dev` extra dependency.
 
 ```bash linenums="0"
-pip install '.[gradio]'
+pip install '.[dev]'
 ```
 
 To use it, use an environment variable with your Focoos API key and run the app (you will select the model from the UI).

gradio/app.py

@@ -1,17 +1,15 @@
 import os
 
 import cv2
-from dotenv import load_dotenv
 
 import gradio as gr
 from focoos import Focoos
 
-load_dotenv()
 ASSETS_DIR = os.path.dirname(os.path.abspath(__file__)) + "/assets"
 
 focoos_models = []
 focoos = Focoos(api_key=os.getenv("FOCOOS_API_KEY"))
-focoos_models = [model.ref for model in focoos.list_focoos_models() if model.status == "DEPLOYED"]
+focoos_models = [model.ref for model in focoos.list_focoos_models()]
 loaded_models = {}
 image_examples = [
     ["fai-rtdetr-l-coco", f"{ASSETS_DIR}/pexels-abby-chung.jpg"],