add init script for screen-based respawn
add init script for screen-based respawn

osmocom/osmo-bts,shimaore/osmo-bts,geosphere/osmo-bts,tacooper/osmo-bts,shimaore/osmo-bts,telenoobie/osmo-bts,geosphere/osmo-bts,telenoobie/osmo-bts,shimaore/osmo-bts,tacooper/osmo-bts,shimaore/osmo-bts,osmocom/osmo-bts,osmocom/osmo-bts,geosphere/osmo-bts,geosphere/osmo-bts,telenoobie/osmo-bts,telenoobie/osmo-bts