Improve configuration with models details.

src/aichat/config.yaml

@@ -4,8 +4,22 @@ rag_embedding_model: ollama:nomic-embed-text
 rag_chunk_size: 8192
 rag_chunk_overlap: 409
 model: ollama:qwen2.5
+temperature: 0
 clients:
 - type: openai-compatible
   name: ollama
   api_base: http://localhost:11434/v1
   api_key: __LLM_API_KEY__
+  models:
+    - name: qwen2.5
+      supports_function_calling: true
+      max_input_tokens: 128000
+    - name: qwen2.5-coder:32b
+      supports_function_calling: true
+      max_input_tokens: 128000
+    - name: nomic-embed-text
+      type: embedding
+      max_input_tokens: 200000
+      max_tokens_per_chunk: 2000
+      default_chunk_size: 8192
+      max_batch_size: 100