Renamed the frontend `.env.example` to `example.env` for naming clarity. Updated `.gitignore` to include `.env` and `.idea/codeStyles` to ensure unnecessary files are excluded from version control.
See #2. Co-authored-by: vikingowl <christian@nachtigall.dev> Reviewed-on: #2 Reviewed-by: anonfunc <539@idlegandalf.com> Co-authored-by: vikingowl <vikingowl@noreply.somegit.dev> Co-committed-by: vikingowl <vikingowl@noreply.somegit.dev>