RZT aiOS comes with a free storage of XXX(TODO fill this)GB. This storage space, called "Project Space", can be accessed
from IDE and custom block code. The function razor.api.project_space_path(filename) takes a filename relative to the project
space as input parameter and returns the absolute path to a file located in project space. The returned value can be used for
reading and writing files in project space as given in following example