Update app.py

Use correct api. (https://router.huggingface.co)

app.py

@@ -33,10 +33,10 @@ class XylariaChat:
             token=self.hf_token
         )
 
-        self.image_api_url = "https://api-inference.huggingface.co/models/Salesforce/blip-image-captioning-large"
+        self.image_api_url = "https://router.huggingface.co/models/Salesforce/blip-image-captioning-large"
         self.image_api_headers = {"Authorization": f"Bearer {self.hf_token}"}
         
-        self.image_gen_api_url = "https://api-inference.huggingface.co/models/black-forest-labs/FLUX.1-schnell"
+        self.image_gen_api_url = "https://router.huggingface.co/models/black-forest-labs/FLUX.1-schnell"
 
         self.conversation_history = []
         self.persistent_memory = []