Example monorepo with PDM

Steps to set-up

1. Install PDM
2. Create new virtual environment (e.g., using pyenv)

3. pdm use ~/path/to/python/interpreter 
   # e.g., ~/.pyenv/versions/3.11.6/envs/pdm-monorepo/bin/python

4. Install the dependencies

   make install

5. Build and run docker image to verify that monorepo set up is correct

   make build run