Hidden city of Beregar

- Added script for crack to teleport
- Added scripts for ore wagon

Map stuff needed to do:
```
Change sewer to cracks @ {x = 32566, y = 31338, z = 9}
add aid 50090 to cracks @ {x = 32566, y = 31338, z = 9}
add npc Nokmir @ {x = 32607, y = 31493, z = 14}
add aid 50091 to {x = 32607, y = 31501, z = 13}
add aid 50092 to ore wagon @ {x = 32603, y = 31339, z = 11}
add aid 50093 to ore wagon @ {x = 32599, y = 31505, z = 13}
add npc Xorlosh @ {x = 32613, y = 31500, z = 14}
add aid 50094 to magic forcefield @ {x = 32611, y = 31497, z = 14}
add aid 50095 to magic forcefield @ {x = 32611, y = 31497, z = 15}
add aid 50096 to skeleton @ {x = 32601, y = 31386, z = 14}
add aid 50097 to crystal @ {x = 32613, y = 31386, z = 14}
add aid 50098 to door @ {x = 32606, y = 31489, z = 14}
corpse @ {x = 32588, y = 31406, z = 14} should contain 3 small topaz
add npc Harog @ {x = 32592, y = 31445, z = 9}
add npc Frafnar @ {x = 32588, y = 31500, z = 14}
add aid 50099 to door @ {x = 32584, y = 31499, z = 14}
add a book about tunnelling @ {x = 32621, y = 31404, z = 10} (not sure if this can be done in RME?)
```