Update bot to new discord API and add simple chatgpt module

modules/chatgpt/index.js

@@ -0,0 +1,20 @@
+let ChatGPTAPI = null;
+
+module.exports = function (bot, api) {
+    import("chatgpt").then((mod) => {
+        ChatGPTAPI = mod.ChatGPTAPI;
+    });
+    api.registerCommand('chat', async (args, message) => {
+        const response = await getChatGPTResponse(message.content.slice(6).trim());
+        api.respond(message, response);
+    });
+}
+
+async function getChatGPTResponse(prompt) {
+    const api = new ChatGPTAPI({
+        apiKey: process.env.OPENAI_API_KEY
+    })
+
+    const res = await api.sendMessage(prompt);
+    return res.text;
+}