Add simple system prompt to chat command

commands/misc/chat.js

@@ -24,6 +24,10 @@ module.exports = {
 			body: JSON.stringify({
 				"model": `deepseek/deepseek-chat-v3-0324:free`,
 				"messages": [
+					{
+						"role": 'system',
+						"content": "You are a person in a small discord server. Always keep responses to the point like you're a person in the conversation. "
+					},
 					{
 						"role": `user`,
 						"content": prompt