Fix: Allow linting to run without activating the poetry environment.

lint.sh

@@ -4,6 +4,6 @@ cd "$parent_path/bookie" || exit
 npx prettier --write src/app
 npx ng lint --fix
 cd "$parent_path/barker" || exit
-isort barker
-black barker
-flake8 barker
+poetry run isort barker
+poetry run black barker
+poetry run flake8 barker