add topic into agent

src/interface.jl

@@ -23,6 +23,9 @@ end
 @kwdef mutable struct agent
     availableRole=["system", "user", "assistant"]
     maxUserMsg::Int= 5
+    llmAIRequestTopic_openblas = "llm/openblas/request"
+    llmAIRequestTopic_gpu = "llm/api/v0.0.1/gpu/request"
+    self_llmReceiveTopic = "chatbothub/llm/respond"
 
     """ Dict(Role=> Content)  ;   Role can be system, user, assistant
       Example: