Update docs

README.org

@@ -12,11 +12,13 @@ pipx install git+https://tildegit.org/grym/oxo
   oxovenv/bin/pip install git+https://tildegit.org/grym/oxo
   ln -s oxovenv/bin/oxo ${HOME}/.local/bin # optional.
 #+end_src
-*** development (poetry required)
+*** development
 #+begin_src bash
   git clone https://tildegit.org/grym/oxo
-  cd oxo-uploader
-  poetry install
+  cd oxo
+  python -m venv ./venv
+  ./venv/bin/python -m pip install --upgrade pip setuptools wheel
+  ./venv/bin/python -m pip install -e '.[dev]'
 #+end_src
 
 ** Use