feat: end-point for deal document generation

utils/images_fetcher.py

@@ -0,0 +1,20 @@
+import asyncio
+import base64
+from typing import List, Tuple
+
+import aiohttp
+
+
+async def fetch_image(url: str) -> str:
+    async with aiohttp.ClientSession() as session:
+        async with session.get(url) as response:
+            if response.status == 200:
+                image_data = await response.read()
+                return base64.b64encode(image_data).decode("utf-8")
+            else:
+                return ""
+
+
+async def fetch_images(urls: List[str]) -> Tuple[str]:
+    tasks = [fetch_image(url) for url in urls]
+    return await asyncio.gather(*tasks)