Set up standard BASIC icon to launch with blank disk attached in persist mode, so remembers between sessions.

Author: lanceewing

core/src/main/java/emu/jvic/HomeScreen.java

@@ -190,6 +190,7 @@ private AppConfigItem buildBasicAppConfigItem() {
         basicAppConfigItem.setIconPath("screenshots/B/Basic/Basic.png");
         basicAppConfigItem.setMachineType("PAL");
         basicAppConfigItem.setRam("RAM_UNEXPANDED");
+        basicAppConfigItem.setDiskWrite("persist");
         return basicAppConfigItem;
     }