Tasks: set node and npm versions via nvm

tasks.json

{
  // See https://go.microsoft.com/fwlink/?LinkId=733558
  // for the documentation about the tasks.json format
  "version": "2.0.0",
  "tasks": [
    {
      "label": "NVM: set Node and NPM versions",
      "type": "shell",
      "command": "nvm use 14",
      "windows": {
        "command": "nvm use 14"
      },
      "group": "none",
      "presentation": {
        "reveal": "silent",
        "panel": "new",
        "close": true
      },
      "runOptions": {
        "runOn": "folderOpen"
      }
    }
  ]
}