docs: improve examples

Author: giladgd

docs/guide/external-chat-state.md

@@ -38,7 +38,9 @@ const llamaChat = new LlamaChat({
     contextSequence: context.getSequence()
 });
 
-let chatHistory = llamaChat.chatWrapper.generateInitialChatHistory();
+let chatHistory = llamaChat.chatWrapper.generateInitialChatHistory({
+    // systemPrompt: "You're a helpful assistant"
+});
 
 const prompt = "Hi there, how are you?";
 

docs/guide/token-prediction.md

@@ -119,7 +119,10 @@ const contextSequence = context.getSequence({
     tokenPredictor: new DraftSequenceTokenPredictor(draftContextSequence, {
         // try to change this value to `1` or more
         // and see the difference in response times
-        minTokens: 0
+        minTokens: 0,
+        
+        // the minimum probability of a toke prediction to be considered
+        minConfidence: 0.6
     })
 });