doc on launch.json in VSCode needs work

```jsonc
{
// 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": {},
}
]
}
```

Comienza localizando la documentación del repositorio que contiene o debería contener este ejemplo de launch.json y, a continuación, compara la configuración con los ajustes de depuración de C++ de VSCode mostrados en el issue. El issue no especifica qué partes necesitan corrección, así que confirma los cambios previstos antes de editar; el trabajo estará terminado cuando la documentación de launch.json sea precisa y utilizable.

Escrito por el modelo de indexación a partir del texto del issue.