sublime keymap

{ "keys": ["g", "t"], "command": "next_view",
      "context":
      [
          { "key": "setting.command_mode", "operand": true },
          { "key": "setting.is_widget", "operand": false }
      ]
  },

  { "keys": ["g", "r"], "command": "prev_view",
      "context":
      [
          { "key": "setting.command_mode", "operand": true },
          { "key": "setting.is_widget", "operand": false }
      ]
  },
  { "keys": ["K"], "command": "scroll_lines", "args": {
        "amount": 30.0},
        "context": [{ "key": "setting.command_mode" }]
    },

    { "keys": ["J"], "command": "scroll_lines", "args": {
        "amount": -30.0},
        "context": [{"key": "setting.command_mode"}]
    }