doc on launch.json in VSCode needs work

[gbowne1]

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Launch",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceRoot}/build/",
            "args": [],
            "cwd": ".",
            "MIMode": "gdb",
            "setupCommands": [
                {}
            ],
            "externalConsole": false,
            "environment": [],
            "miDebuggerPath": "/usr/bin/gdb",
            "stopAtEntry": false,
            "additionalSOLibSearchPath": "",
            "avoidWindowsConsoleRedirection": true,
            "coreDumpPath": "",
            "customLaunchSetupCommands": [],
            "debugServer": 1234,
            "debugServerArgs": "",
            "debugServerPath": "",
            "deploySteps": [],
            "envFile": "${workspaceFolder}/.env",
            "filterStderr": false,
            "filterStdout": true,
            "hardwareBreakpoints": {},
            "internalConsoleOptions": "neverOpen",
            "launchCompleteCommand": "exec-run",
            "linux": {},
            "logging": {},
            "exceptions": true,
            "moduleLoad": true,
            "natvisDiagnostics": "none",
            "programOutput": true,
            "trace": false,
            "traceResponse": false,
            "miDebuggerArgs": "",
            "miDebuggerServerAddress": "serveraddress:port",
            "osx": {},
            "pipeTransport": {
                "pipeCwd": "/usr/bin",
                "pipeProgram": "enter the fully qualified path for the pipe program name, for example '/usr/bin/ssh'.",
                "pipeArgs": [],
                "debuggerPath": "The full path to the debugger on the target machine, for example /usr/bin/gdb."
            },
            "postDebugTask": {
                "task": "",
                "type": "grunt"
            },
            "postRemoteConnectCommands": [],
            "preLaunchTask": {
                "args": [],
                "env": {},
                "filter": {},
                "type": "codelldb.cargo"
            },
            "presentation": {
                "hidden": false,
                "group": "",
                "order": 1
            },
            "serverLaunchTimeout": 10000,
            "serverReadyAction": {
                "action": "startDebugging",
                "name": "",
                "killOnServerStop": false
            },
            "serverStarted": "",
            "showDisplayString": true,
            "sourceFileMap": {
                "": ""
            },
            "stopAtConnect": false,
            "suppressMultipleSessionWarning": true,
            "svdPath": "",
            "symbolLoadInfo": {
                "loadAll": true,
                "exceptionList": ""
            },
            "targetArchitecture": "x64",
            "unknownBreakpointHandling": "throw",
            "useExtendedRemote": false,
            "variables": {
                "": ""
            },
            "visualizerFile": [],
            "windows": {},
        }
    ]
}