Make ESP8266 use LittleFS instead of deprecated SPIFFS
Make framework use the correct filesystem automatically and handle the call the FS.begin()
Change default MQTT keepalive to 60 seconds
Fix lodash security issue
* Add framework for built-time feature selection
* Allow MQTT, NTP, OTA features to be disabled at build time
* Allow Project screens to be disabled at build time
* Allow security features to be disabled at build time
* Switch to std::function for StatefulService function aliases for greater flexibility
* Bump various UI lib versions
* Update docs
* Update back end to add MQTT and WebSocket support
* Update demo project to demonstrate MQTT and WebSockets
* Update documentation to describe newly added and modified functionallity
* Introduce separate MQTT pub/sub, HTTP get/post and WebSocket rx/tx classes
* Significant reanaming - more accurate class names
* Use PROGMEM_WWW as default
* Update README documenting PROGMEM_WWW as default
* Update README with API changes
* Re-engineer UI in TypeScript
* Switch to named imports where possible
* Restructure file system layout
* Update depencencies
* Update README.md
* Change explicit colors for better support for dark theme
Adds a webpack plugin to package interface as PROGMEM into a header file in the framework.
Adds a build flag to optionally enable serving from PROGMEM or SPIFFS as required
Adds documentation changes to describe changes
