audio added
Merge branch 'master' of https://github.com/linshan003/MegaMIND.StarTrek

Conflicts:
	Unity_Project/Assets/Done/Done_Prefabs/Done_Bolt-Enemy.prefab
	Unity_Project/Assets/Done/Done_Prefabs/Done_Bolt.prefab
	Unity_Project/Assets/Done/Done_Scenes/Done_Main.unity
	Unity_Project/Assets/Prefabs/Asteroid02.prefab
	Unity_Project/Assets/Prefabs/Asteroid03.prefab
	Unity_Project/Assets/Prefabs/BOLT.prefab
	Unity_Project/Assets/Prefabs/BOLT2.prefab
	Unity_Project/Assets/Prefabs/Enemy .prefab
	Unity_Project/Assets/Prefabs/Enemy Bolt.prefab
	Unity_Project/Assets/_Scenes/Main.unity