No more resetting bindings for joypad, create .ini at the first start, joystick hotplug for Linux

src/core/main.h

@@ -45,7 +45,7 @@ void TheModelViewer(void);
 #endif
 
 #ifdef LOAD_INI_SETTINGS
-void LoadINISettings();
+bool LoadINISettings();
 void SaveINISettings();
 void LoadINIControllerSettings();
 void SaveINIControllerSettings();