element-web/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,
    "roomDirectory": {
        "servers": [
            "matrix.org"
        ],
	"serverConfig": {
            "matrix.org": {
                "networks": [
                    "_matrix",
                    "gitter",
                    "irc:freenode",
                    "irc:mozilla"
                ]
            }
	},
        "networkPatterns": {
            "gitter": "#gitter_.*:matrix.org",
            "irc:freenode": "#freenode_.*:matrix.org",
            "irc:mozilla": "#mozilla_.*:matrix.org"
        },
        "networkNames": {
            "irc:freenode": "Freenode",
            "irc:mozilla": "Mozilla",
            "gitter": "Gitter"
        },
        "networkIcons": {
            "irc:freenode": "//matrix.org/_matrix/media/v1/download/matrix.org/DHLHpDDgWNNejFmrewvwEAHX",
            "irc:mozilla": "//matrix.org/_matrix/media/v1/download/matrix.org/DHLHpDDgWNNejFmrewvwEAHX",
            "gitter": "//gitter.im/favicon.ico"
        }
    }
}