Add ComfyUI-Mistral-Caption node to extension-node-map.json.

This node provides image captioning using Mistral multimodal models.
Repository:
https://github.com/tardigrade1001/comfyui-mistral-caption

extension-node-map.json

@@ -61489,5 +61489,13 @@
         {
             "title_aux": "SDXLResolutionPresets"
         }
+    ],
+    "https://raw.githubusercontent.com/tardigrade1001/comfyui-mistral-caption/main/nodes.py": [
+        [
+        "Ask_Mistral"
+        ],
+        {
+        "title_aux": "Mistral Caption"
+        }
     ]
-}
+}