[
{ "key": "alt+-",           "command": "workbench.action.navigateBack" },
{ "key": "alt+shift+-",     "command": "workbench.action.navigateForward" },
{ "key": "ctrl+shift+down", "command": "editor.action.moveLinesDownAction",
                            "when": "editorTextFocus" },
{ "key": "ctrl+shift+up",   "command": "editor.action.moveLinesUpAction",
                            "when": "editorTextFocus" }
{ "key": "ctrl+shift+o",    "command": "workbench.action.files.openFolder" },
]
[
{ "key": "alt+-",           "command": "workbench.action.navigateBack" },
{ "key": "alt+shift+-",     "command": "workbench.action.navigateForward" },
{ "key": "alt+shift+down",  "command": "editor.action.insertCursorBelow",
                            "when": "editorTextFocus" },
{ "key": "ctrl+r",          "command": "workbench.action.gotoSymbol" },
{ "key": "ctrl+shift+down", "command": "editor.action.moveLinesDownAction",
                            "when": "editorTextFocus" },
{ "key": "ctrl+shift+up",   "command": "editor.action.moveLinesUpAction",
                            "when": "editorTextFocus" },
{ "key": "ctrl+shift+o",    "command": "workbench.action.files.openFolder" }
]

Add ctrl+r (goto symbol) and alt+shift+down (insert cursor below)
vscode: Add ctrl+r (goto symbol) and alt+shift+down (insert cursor below)