Make it an importable module

Abandon DuckDB in favor of sqlite3

src/gptbot/commands/chat.py

@@ -0,0 +1,15 @@
+from nio.events.room_events import RoomMessageText
+from nio.rooms import MatrixRoom
+
+
+async def command_chat(room: MatrixRoom, event: RoomMessageText, bot):
+    prompt = " ".join(event.body.split()[2:])
+
+    if prompt:
+        bot.logger.log("Sending chat message...")
+        event.body = prompt
+        await bot.process_query(room, event, from_chat_command=True)
+
+        return
+
+    await bot.send_message(room, "You need to provide a prompt.", True)