Entry Points (1/3)
What are the entry points?
    the 'entry point' is the starting point for building your application's JavaScript bundle. It defines which files Webpack should use as the root or main files from which it will begin its dependency analysis and build process.
    there are multiple ways to define the entry property in your webpack configuration.
    • Single Entry (Shorthand) Syntax
    • multi-main entry syntax
    • Object Syntax