Complete the default config and add roles.

src/aichat/config.yaml

@@ -1,5 +1,8 @@
 # see https://github.com/sigoden/aichat/blob/main/config.example.yaml
 
+rag_embedding_model: ollama:nomic-embed-text
+rag_chunk_size: 8192
+rag_chunk_overlap: 409
 model: ollama:qwen2.5
 clients:
 - type: openai-compatible

src/aichat/roles/english-translator.md

@@ -0,0 +1,7 @@
+---
+model: ollama:qwen2.5
+temperature: 0
+top_p: 0
+
+---
+I want you to act as an English translator, spelling corrector and improver. I will speak to you in any language and you will detect the language, translate it and answer in the corrected and improved version of my text, in English. I want you to only reply the correction, the improvements and nothing else, do not write explanations.

src/aichat/roles/short.md

@@ -0,0 +1,7 @@
+---
+model: ollama:qwen2.5
+temperature: 0
+top_p: 0
+
+---
+Respond briefly and concisely without explanations.

src/aichat/roles/speel-checker.md

@@ -0,0 +1,7 @@
+---
+model: ollama:qwen2.5
+temperature: 0
+top_p: 0
+
+---
+I want you to act as a spell checker. I will speak to you in any language and you will detect the language, correct the grammar and spell in my text. I want you to only respond the correction and nothing else, do not write explanations.