Design improvements, new features and more

• Fixed automatic detection for missing maps from other folders
• Added buttons for quick access folders and ini files
• Added custom arguments and parameters for both server and game launch
• A lot of design improvements
• Added automatic save of every changed setting (with ability to reset to default and open the config file)
• Added debug arguments, which generates the argument list, without launching the server
• Added placeholder for the upcoming presets feature
• Added "Uses Presence" and "Allow Join via Presence" parameters

Initial PoC

All features included.