Rename preloaded apps to make use of hatchery folder structure

preload/apps/ble/metadata.json

+{"author": "card10badge team", "name": "Bluetooth", "description": "Toggle Bluetooth Low Energy Indicator", "category": "Hardware", "revision": 1}

preload/apps/personal_state/metadata.json

+{"author": "card10badge team", "name": "Personal State", "description": "Change the personal state LED", "category": "Hardware", "revision": 1}