Add dev.sh.
Add dev.sh.

Because we really don't need build.sh to develop angel-player.

hozhu123/tenshi,pioneers/tenshi,JaronArmiger/tenshi,SamboyKirk/tenshi,chuen0630/tenshi,jarzofjam/tenshi,jarzofjam/tenshi,cduck/tenshi,pioneers/tenshi,JaronArmiger/tenshi,tobinsarah/tenshi,chuen0630/tenshi,hozhu123/tenshi,cduck/tenshi,jessicakam/tenshi,hozhu123/tenshi,jessicakam/tenshi,SamboyKirk/tenshi,JaronArmiger/tenshi,tobinsarah/tenshi,abhishyantkhare/tenshi,abhishyantkhare/tenshi,SamboyKirk/tenshi,chuen0630/tenshi,pioneers/tenshi,jessicakam/tenshi,abhishyantkhare/tenshi,hozhu123/tenshi,SamboyKirk/tenshi,chuen0630/tenshi,SamboyKirk/tenshi,hozhu123/tenshi,chuen0630/tenshi,SamboyKirk/tenshi,cduck/tenshi,chuen0630/tenshi,tobinsarah/tenshi,jessicakam/tenshi,jarzofjam/tenshi,abhishyantkhare/tenshi,pioneers/tenshi,pioneers/tenshi,jarzofjam/tenshi,JaronArmiger/tenshi,jarzofjam/tenshi,jarzofjam/tenshi,cduck/tenshi,SamboyKirk/tenshi,cduck/tenshi,cduck/tenshi,tobinsarah/tenshi,hozhu123/tenshi,tobinsarah/tenshi,tobinsarah/tenshi,jessicakam/tenshi,abhishyantkhare/tenshi,pioneers/tenshi,abhishyantkhare/tenshi,JaronArmiger/tenshi,jarzofjam/tenshi,jessicakam/tenshi,abhishyantkhare/tenshi,jessicakam/tenshi,JaronArmiger/tenshi,tobinsarah/tenshi,chuen0630/tenshi,pioneers/tenshi,JaronArmiger/tenshi,cduck/tenshi,hozhu123/tenshi