* refactor: V2 API endpoint create phone call * fix: type err * fix: type and build err * chore: change default value * chore: move it to another route * test: for create phone call * chore: undo constant * chore: remove test * fix: make begin_message optional * chore: improvements * chore: begin message * chore: remove unused import * chore: bump platform libraries with handleCreatePhoneCall * chore: improvement --------- Co-authored-by: Keith Williams <keithwillcode@gmail.com> Co-authored-by: Benny Joo <sldisek783@gmail.com> Co-authored-by: Morgan Vernay <morgan@cal.com> Co-authored-by: Peer Richelsen <peeroke@gmail.com>