cmd + ints for vscode tabs

gistfile1.txt

{
        "key": "cmd+1",
        "command": "workbench.action.openEditorAtIndex1"
    },
    {
        "key": "cmd+2",
        "command": "workbench.action.openEditorAtIndex2"
    },
    {
        "key": "cmd+3",
        "command": "workbench.action.openEditorAtIndex3"
    },
    {
        "key": "cmd+4",
        "command": "workbench.action.openEditorAtIndex4"
    },
    {
        "key": "cmd+5",
        "command": "workbench.action.openEditorAtIndex5"
    },
    {
        "key": "cmd+6",
        "command": "workbench.action.openEditorAtIndex6"
    },
    {
        "key": "cmd+7",
        "command": "workbench.action.openEditorAtIndex7"
    },
    {
        "key": "cmd+8",
        "command": "workbench.action.openEditorAtIndex8"
    },
    {
        "key": "cmd+9",
        "command": "workbench.action.openEditorAtIndex9"
    },
    {
        "key": "cmd+0",
        "command": "workbench.action.openEditorAtIndex0"
    },