Update template to match new project style.

Dockerfile

@@ -1,16 +1,13 @@
-FROM python:3.10.6-slim
-
-RUN pip install --upgrade pip
+FROM python:3.11.9-slim
 
 WORKDIR /home
 
-COPY requirements.txt requirements.txt
-
 COPY config.py config.py
-COPY bot.py bot.py
+COPY main.py main.py
+COPY pyproject.toml pyproject.toml
 
 COPY cogs cogs/
 
-RUN pip install -r requirements.txt
+RUN pip install --upgrade pip && pip install poetry && poetry export -f requirements.txt --output requirements.txt && pip install -r requirements.txt
 
-CMD ["python3", "-u", "./bot.py"]
+CMD ["python3", "-u", "./main.py"]