System
* Add menu command to save a picture of a script along with the speech bubble showing the result
* In "show advanced blocks" mode, allow the user to select the scale of saved script pictures
* Add the ability to transfer files to/from ESP boards.
File transfer options only appear if
(a) an ESP board is connected and
(b) IDE is in "show advanced blocks" mode

Libraries
* Remove Calliope library
* Update BMX280 library
* Add Fractions library (thanks, Jens!)
* Add HSV Colors library (thanks, Jens!)
* Add SGP30 sensor library (thanks, José!)
* Add CCS811 sensor library (thanks, Victor!)
* Add IR Transmit block to the IR Remote library

VM
* Add support for transferring files between the IDE and the ESP boards

Bug Fixes
* Fix: Files are sometimes missing from file list on ESP boards
* Fix: Don't allow reporters to be dropped into a boolean constant block
* Fix: Don't allow reporters to be dropped in button or broadcast received hats