matrix-bot/vector/config.sample.json

{
    "default_hs_url": "https://matrix.org",
    "default_is_url": "https://vector.im",
    "brand": "Vector",
    "integrations_ui_url": "http://localhost:8081/",
    "integrations_rest_url": "http://localhost:5050",
    "enableLabs": true
}