Update README.md

Author: LightDestory

README.md

@@ -2,6 +2,8 @@
 
 AzerothCoreAdmin (_ACAdmin_) is a general interface add-on which will help admins and GMs in-game of AzerothCore-based private servers.
 
+** No GA release available yet!, Be aware that it is still early to actively use it**
+
 ## Take a look at the past
 
 This add-on is an adaption for AzerothCore-based servers of the TrinityAdmin add-on which supports only TrinityCore-based servers. Moreover, TrinityAdmin is derived from MangAdmin, which supports MaNGOS-based server.
@@ -64,4 +66,4 @@ Moreover, thanks to:
 ![image](/Textures/TASS_Char.pg)
 ![image](/Textures/TASS_GM.pg)
 ![image](/Textures/TASS_Server.pg)
-![image](/Textures/TASS_Tele.pg)
+![image](/Textures/TASS_Tele.pg)