improve dev tooling

.devcontainer/Dockerfile

@@ -1,20 +1,3 @@
-FROM python:3.11-buster AS builder
-
-
-COPY requirements.txt /requirements.txt
-RUN pip install --user -r requirements.txt
-
-
-FROM python:3.11-slim
-
-ENV MPLBACKEND=Agg
-
-COPY --from=builder /root/.local /root/.local
-
-RUN pip install --no-cache-dir black
-ENV TELEGRAM=TOKEN
-ENV MARKETDATA=TOKEN
-
-COPY . .
-
-# CMD [ "python", "./bot.py" ]
+FROM python:3.11
+
+COPY . .