sublime key binding

something.txt

[
	{ "keys": ["ctrl+super+l"], "command": "angularjs_find" },
    { "keys": ["alt+up"], "command": "move_text_up" },
    { "keys": ["alt+down"], "command": "move_text_down" },
    { "keys": ["ctrl+q"], "command": "noop" },
    { "keys": ["j", "k"], "command": "chain",
        "args": {
            "commands": [
                ["exit_insert_mode"],
                ["save"]
            ]
        },
        "context":
        [
            { "key": "setting.command_mode", "operand": false },
            { "key": "setting.is_widget", "operand": false }
        ]
    },
    { "keys": ["g", "t"], "command": "next_view_in_stack" },
    { "keys": ["g", "T"], "command": "prev_view_in_stack" }
]