message: Adding some gitignore entries for common output folders and Visual Studio
diff: *.out
  *.app
  +### Visual Studio ###
  +.vs/
  +.vscode/
  +
  ### CLion ###
  # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
  # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
  # .idea/modules
  # CMake
  +artifacts/
  +build/
  cmake-build-*/
  # Mongo Explorer plugin
  