Ignore files that get duplicated on local dev

I'm not entirely happy that I have to do this, but I can't think of a better way to handle this during local development as the uv files need to be at the same level as the app code at runtime, but are in different directories during development.

Author: MasterKale

.gitignore

@@ -5,3 +5,6 @@ _psql
 *.env
 .DS_Store
 _app/**/styles/*.css
+_app/.venv
+_app/pyproject.toml
+_app/uv.lock