Add mistral-small3.1

Signed-off-by: Demis Bellot <demis.bellot@gmail.com>

Author: mythz

AiServer/wwwroot/lib/data/ai-models.json

@@ -580,6 +580,16 @@
     "description": "Mistral Small 3 sets a new benchmark in the “small” Large Language Models category below 70B.",
     "icon": "/img/models/mistral.svg"
   },
+  {
+    "id": "mistral-small3.1",
+    "tags": [
+      "24b"
+    ],
+    "latest": "24b",
+    "website": "https://ollama.com/library/mistral-small3.1",
+    "description": "Building upon Mistral Small 3, Mistral Small 3.1 (2503) adds state-of-the-art vision understanding and enhances long context capabilities up to 128k tokens without compromising text performance.",
+    "icon": "/img/models/mistral.svg"
+  },
   {
     "id": "mistral-large",
     "tags": [