If you know vscode enouph, vscode is a great tool to read code, it's key-bind is better than understand or SI.

key binds

// Place your key bindings in this file to overwrite the defaultsauto[]
[
  {
    "key": "alt+a left",
    "command": "workbench.action.splitEditorLeft"
  },
  {
    "key": "alt+a right",
    "command": "workbench.action.splitEditorRight"
  },
  {
    "key": "alt+a down",
    "command": "workbench.action.splitEditorDown"
  },
  {
    "key": "alt+a up",
    "command": "workbench.action.splitEditorUp"
  },
  {
    "key": "ctrl+k f12",
    "command": "-editor.action.openDeclarationToTheSide",
    "when": "editorHasDefinitionProvider && editorTextFocus && !isInEmbeddedEditor"
  },
  {
    "key": "alt+f12",
    "command": "-editor.action.previewDeclaration",
    "when": "editorHasDefinitionProvider && editorTextFocus && !inReferenceSearchEditor && !isInEmbeddedEditor"
  },
  {
    "key": "ctrl+w ctrl+w",
    "command": "workbench.action.closeWindow",
    "when": "!editorIsOpen && !multipleEditorGroups"
  },
  {
    "key": "ctrl+w",
    "command": "-workbench.action.closeWindow",
    "when": "!editorIsOpen && !multipleEditorGroups"
  },
  {
    "key": "alt+a alt+w",
    "command": "workbench.action.closeWindow"
  },
  {
    "key": "ctrl+shift+w",
    "command": "-workbench.action.closeWindow"
  },
  {
    "key": "alt+w alt+w",
    "command": "workbench.action.closeActiveEditor"
  },
  {
    "key": "ctrl+w",
    "command": "-workbench.action.closeActiveEditor"
  },
  {
    "key": "alt+a alt+t",
    "command": "editor.action.peekTypeDefinition"
  },
  {
    "key": "alt+a alt+q",
    "command": "editor.action.openDeclarationToTheSide"
  },
  {
    "key": "alt+a alt+a",
    "command": "editor.action.previewDeclaration"
  }
]

settings

{
    "workbench.colorTheme": "Solarized Dark",
    "editor.fontSize": 16,
    "editor.minimap.maxColumn": 20,
    "editor.tabSize": 2,
    "editor.tokenColorCustomizations": {
        //"functions": "#c00505",
        "keywords": "#05a9be",
        "types": "#eca60d",
        
        "textMateRules": [
            {
                "scope":"variable.other",//struct member
                "settings": {
                    "foreground": "#60bef5",
                }
            },
            
            {
                "scope":"entity.name.function",
                "settings": {
                    "foreground": "#ec4f05",
                    "fontStyle": "underline"
                }
            },
            {
                "scope":"meta.function",
                "settings": {
                    "foreground": "#fc9a08",//function call is function params
                    
                }
            },
            {
                "scope":"meta.function-call",//function call is function params
                "settings": {
                    "foreground": "#8a77f5",
                    "fontStyle": "italic"
                }
            },
            {
                "scope":"meta.block",
                "settings": {
                    "foreground": "#e3e9e9",
                }
            },
            {
                "scope": "keyword.operator",
                "settings": {
                    "foreground": "#d40b0b"
                }
            },
            {
                "scope":"keyword.control",
                "settings": {
                    "foreground": "#f32496",
                }
            }
            
            
        ]
    },
    "workbench.colorCustomizations":{
        "editor.selectionHighlightBorder": "#aa0000",
        "editor.selectionBackground": "#3261fac7",
        "editor.hoverHighlightBackground": "#2b4d50",
        "editor.background": "#02252b",
    },
    "window.zoomLevel": 0,
    "editor.renderWhitespace": "none",
    
}