dictation modality for POI name and description

-added speech interim user feedback
-changed speech command user feedback
-added dictation modality for POI name and description

see:
https://docs.google.com/document/d/144fuG_xPxVMN6y172iQj36mQLHFzwNuMWXqloDpzTUk/edit

TO DO:
implement form accessibility (?) see trello sprint comment or have a
look at the "to-do" functions colored in red in the state flow diagram.
also trigger function:
stopFormRecording(); when the user canceled/closes/submits the form.