SublimeText3 Custom Layout (Add few layouts)

Main.sublime-menu

{
                "caption": "Layout",
                "mnemonic": "L",
                "id": "layout",
                "children":
                [
                    {
                        "caption": "Single",
                        "command": "set_layout",
                        "args":
                        {
                            "cols": [0.0, 1.0],
                            "rows": [0.0, 1.0],
                            "cells": [[0, 0, 1, 1]]
                        }
                    },
                    {
                        "caption": "-", "id": "groups"
                    },
                    {
                        "caption": "Columns: 2",
                        "command": "set_layout",
                        "args":
                        {
                            "cols": [0.0, 0.5, 1.0],
                            "rows": [0.0, 1.0],
                            "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
                        }
                    },
                    {
                        "caption": "Columns: 3",
                        "command": "set_layout",
                        "args":
                        {
                            "cols": [0.0, 0.33, 0.66, 1.0],
                            "rows": [0.0, 1.0],
                            "cells": [[0, 0, 1, 1], [1, 0, 2, 1], [2, 0, 3, 1]]
                        }
                    },
                    {
                        "caption": "Columns: 4",
                        "command": "set_layout",
                        "args":
                        {
                            "cols": [0.0, 0.25, 0.5, 0.75, 1.0],
                            "rows": [0.0, 1.0],
                            "cells": [[0, 0, 1, 1], [1, 0, 2, 1], [2, 0, 3, 1], [3, 0, 4, 1]]
                        }
                    },
                    {
                        "caption": "Columns: 5",
                        "command": "set_layout",
                        "args":
                        {
                            "cols": [0.0, 0.2, 0.4, 0.6, 0.8, 1.0],
                            "rows": [0.0, 1.0],
                            "cells": [[0, 0, 1, 1], [1, 0, 2, 1], [2, 0, 3, 1], [3, 0, 4, 1], [4, 0, 5, 1]]
                        }
                    },
                    {
                        "caption": "-", "id": "groups"
                    },
                    {
                        "caption": "Rows: 2",
                        "command": "set_layout",
                        "args":
                        {
                            "cols": [0.0, 1.0],
                            "rows": [0.0, 0.5, 1.0],
                            "cells": [[0, 0, 1, 1], [0, 1, 1, 2]]
                        }
                    },
                    {
                        "caption": "Rows: 3",
                        "command": "set_layout",
                        "args":
                        {
                            "cols": [0.0, 1.0],
                            "rows": [0.0, 0.33, 0.66, 1.0],
                            "cells": [[0, 0, 1, 1], [0, 1, 1, 2], [0, 2, 1, 3]]
                        }
                    },
                    {
                        "caption": "Rows: 4",
                        "command": "set_layout",
                        "args":
                        {
                            "cols": [0.0, 1.0],
                            "rows": [0.0, 0.25, 0.5, 0.75, 1.0],
                            "cells": [[0, 0, 1, 1], [0, 1, 1, 2], [0, 2, 1, 3], [0, 3, 1, 4]]
                        }
                    },
                    {
                        "caption": "-", "id": "groups"
                    },
                    {
                        "caption": "Grid: 4",
                        "command": "set_layout",
                        "args":
                        {
                            "cols": [0.0, 0.5, 1.0],
                            "rows": [0.0, 0.5, 1.0],
                            "cells":
                            [
                                [0, 0, 1, 1], [1, 0, 2, 1],
                                [0, 1, 1, 2], [1, 1, 2, 2]
                            ]
                        }
                    },
                    {
                        "caption": "Cols: 2, Rows: 1",
                        "command": "set_layout",
                        "args":
                        {
                            "rows": [0.0, 0.5, 1.0],
                            "cols": [0.0, 0.7, 1.0],
                            "cells":
                            [
                                [0,0,1,1], [1,0,2,2], [0,1,1,2]
                            ]
                        }
                    },
                    {
                        "caption": "Cols: 1, Rows: 2",
                        "command": "set_layout",
                        "args":
                        {
                            "rows": [0.0, 0.5, 1.0],
                            "cols": [0.0, 0.3, 1.0],
                            "cells":
                            [
                                [0,0,1,2], [1,0,2,1], [1,1,2,2]
                            ]
                        }
                    },
                    {
                        "caption": "Cols: 1, Rows: 2, Cols: 1",
                        "command": "set_layout",
                        "args":
                        {
                            "rows": [0.0, 0.5, 1.0],
                            "cols": [0.0, 0.2, 0.8, 1.0],
                            "cells":
                            [
                                [0,0,1,2], [1,0,2,1], [1,1,2,2], [2,0,3,2] 
                            ]
                        }
                    }
                ]
            },