wip: dir organisation, script cleanup

scripts/install/12-poetry.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+export PYTHON_KEYRING_BACKEND=keyring.backends.null.Keyring
+add_path "$HOME/.local/bin"
+
+if not_installed "poetry"; then
+    pip3 install --user poetry
+fi
+
+pip3 install --upgrade poetry
+poetry --version