add Makefile dev installation

Dockerfile

@@ -11,6 +11,7 @@ RUN apt update && apt install -y
 COPY startup.sh /app/
 COPY requirements.txt /app/
 
+RUN pip install -U pip
 RUN pip install -r requirements.txt
 
 ENTRYPOINT [ "/app/startup.sh" ]

Makefile

@@ -8,6 +8,12 @@ lint:
 	ruff deployment/*.py
 	ruff mumui/*.py
 
+dev:
+	rm -rf venv
+	python3 -m virtualenv venv
+	./venv/bin/pip install -r requirements.txt
+	./venv/bin/pip install -r requirements-dev.txt
+
 django:
 	docker build . -t mumui:local