* first version of "modular-approach"
* changed keyboard commands for HOME and BACK
* Update README.md
* only some typos in comments
* readability
* comment for what the mqtt keyboard is used
* removed numbering of tab variables. not needed anymore
* changed the default keyboard from "´mqtt keyboard" to "BLE keyboard"
* updated to latest version of keypad library from Github, changes for inverted logic are explicitely marked
* added comment for key repeatModes
* added comment for MQTT keyboard
* setting timout via GUI now works, not only dropdown without functionality
* BLE indicator added; separation of BLE/WiFi activation from activation of devices using it
* report battery level to BLE device
* Dynamic keyboard commands, so you can safely deactivate BLE and/or WiFi and not break the example code
* reorganized files into folders
* moved lv_conf.h into the gui folder
* added devices for appleTV and smarthome
* assets.c broken up and placed them where they are used
* added support for IR RC5
* reorganization of files and folder
* added comment
* renamed assets files
* introduction of gui_registry
* removed unnecessary functions from sleep.h
* use gui_registry.h only once
* some files renamed for better understandability
* minor renaming
* some more renaming
* check if WiFi label was instantiated before using it
* introduction of a scene registry
* save prefs directly after timeout is changed
* renaming of preferencesStorage
* comment added
* only readability
* detailled definition of key layout for the diferrent scenes
* made code compile for "device_smarthome" when WiFi is deactivated
* fixed access violation when no scene was active
* added support for IR DENON commands
* increased lvgl heap from 32K to 48K
