Fix: Import spaces before gradio/torch to prevent CUDA initialization error

The ZeroGPU spaces package must be imported before any CUDA-related
packages. Moving spaces import to the top fixes RuntimeError on startup.

app.py

@@ -3,8 +3,9 @@ Surya OCR Studio - Complete Implementation
 Features: OCR, Text Detection, Layout Analysis, Table Recognition, LaTeX OCR
 """
 
-import gradio as gr
+# Import spaces FIRST before any CUDA-related packages
 import spaces
+import gradio as gr
 import logging
 import os
 import json