Ubo-app

- feat(notifications): add `progress` and `progress_weight` properties to `Notification` object and show the progress on the header of the app
- feat(core): show the progress of the update using the new `progress` property of the `Notification` object
- fix(camera): render the viewfinder on the display even if the display is paused - closes 78
- refactor(core): make the power-off menu, a sub-menu with power-off and reboot action items - closes 123
- fix(core): headed menus not showing the first item in the list - closes 144
- refactor(system): generate the hostname of the device based on a hash of its serial number
- feat(core): show hostname of device on the home page - closes 128
- feat(core): long-pressing the reset button for 3 seconds or more reboots the device - closes 116
- fix(keypad): keypad becoming unresponsive if a key was pressed while the app was loading - closes 118
- fix(camera): closing the camera viewfinder will close the picamera instance so that it can be used again
- refactor(core): use python-fake for faking
- refactor(tests): wait for wifi status icons in `test_wireless`
- refactor(core): move `ubo_app.utils.loop` to `ubo_app.service` and add service properties like `service_id`, `name`, `label`, etc as module level variables to it
- refactor(core): make `UboModuleLoader` to keep a weakref of the module in its cache instead of an actual reference
- refactor(core): use the new `key` property of ubo-gui `Item`s to keep opened menus open when something changes in the parent menus - closes 145, closes 146, closes 147
- fix(core): make sure logs are set up after reading environment variables and before starting the app
- feat(keypad): add epoch time to keypad actions and events in `time` field
- feat(voice): add piper engine to voice service as the default engine and a menu to select the engine - closes 120
- refactor(notification): add `NotificationExtraInformation` with `text`, `piper_text`, and `orca_text` to replace the simple strings passed to `extra_information` field of the `Notification` object
- refactor(audio): rename sound service to audio service
- refactor(audio): drop `pyaudio` and use `simpleaudio` for playback
- feat(core): setting `DEBUG_MODE_MENU` environment variable to truthy values will show a representation of the menu in the logs whenever the current menu is changed
- fix(ip): close sockets opened for testing the internet connection - closes 126

- fix(core): add `rpi-lgpio` to dependencies to make the LCD work on RPi5
- fix(core): add `dtoverlay=spi0-0cs` to `/boot/firmware/config.txt` to make the LCD work on RPi5
- refactor: general housekeeping, improving typing, linting, resource management, etc
- fix(notifications): avoid auto-closing notifications shown in the notification center
- feat(camera): fail-proof the camera initialization when no camera is connected
- fix(ci): run typecheck on ubo-pod to avoid missing packages
- fix(core): move hostname generation code from `bootstrap()` to `setup()` - closes 141
- build: update bookworm images to the latest version 2024-07-04

- refactor: update to the latest version of `headless-kivy` and migrate its hardware related code to this codebase
- refactor(sensors): migrate initialization of i2c sensors out of the read function so that it happens once
- fix(system): disable led-ring in RPi5 as it is not supported yet

- feat: make tests running on an ubo pod visible on its screen

- refactor: rename "Update Code CLI" to "Redownload Code" - closes 117

- refactor: wireless flow test is complete, during this process debugging and refactoring is done in different parts of code as the issues were found - closes 52
- feat(core): make file handlers in logging `RotatingFileHandler`s
- feat(tests): add `ChooseMenuItemByIconEvent`, `ChooseMenuItemByIndexEvent`, `ChooseMenuItemByLabelEvent` helper events to be used in tests
- feat(tests): a `setup.sh` in `tests` directory or any of its parent directories is sourced before running tests
- feat(tests): add `wait_for_menu_item` and `wait_for_empty_menu` fixtures