feat: prettier

[admon84]

• Installed Prettier for more consistent code formatting.
  • Changes to src will format on save automatically when the Prettier vscode plugin is installed.
• Replaced custom eslint rules with a standard lint config.
• Backup method for finding Screeps client package.nw.
  • Allows WSL to use the Screeps installation from the host windows machine.
• Closing koa server on process exit.
• Lots of code refactoring and small fine tuning.
• Revise readme to describe command line arguments and development scripts.
  • View the readme updates
• Colorful terminal output with chalk.