Demo Build Update: 5.2 -> 5.3

Demo Build Update: 5.2 -> 5.3 [b]New Features:[/b] [list] [*] Added the saving system. [*] Added a confirmation prompt before combat with NPCs. [*] Added cash rewards for winning duels. [/list] [b]Bug Fixes:[/b] [list] [*] Fixed an issue where the game would freeze when pressing the surrender button. [*] Various minor fixes and improvements. [*] Fixed Back Button not showing after combat [/list] If you surrender during the tutorial, you can skip it.