refactor: move everything to an src module

Dockerfile

@@ -4,6 +4,6 @@ RUN pip install poetry
 
 COPY . .
 
-RUN poetry install
+RUN poetry install --without=dev
 
-ENTRYPOINT ["poetry", "run", "python", "-u", "main.py"]
+CMD ["poetry", "run", "python", "-m", "src"]

src/__main__.py

@@ -1,11 +1,11 @@
-from classes.bot import MyBot
+from src.classes.bot import MyBot
 
 import os
 import asyncio
 
 async def main():
     bot = MyBot()
-    bot.load_extensions("plugins")
+    bot.load_extensions("src/plugins")
     await bot.start(os.environ["TOKEN"])
 
 asyncio.run(main())