let the ollama models be auto generated from ollama api

.env.example

@@ -20,5 +20,9 @@ ANTHROPIC_API_KEY=
 # You only need this environment variable set if you want to use OpenRouter models
 OPEN_ROUTER_API_KEY=
 
+# You only need this environment variable set if you want to use oLLAMA models
+#EXAMPLE http://localhost:11434
+OLLAMA_API_BASE_URL=
+
 # Include this environment variable if you want more logging for debugging locally
-VITE_LOG_LEVEL=debug
+VITE_LOG_LEVEL=debug