More anti-cheating measures

[alexrp]

• After Reimplement packet serialization with source generators #108, use the source generator infrastructure to inject a module initializer into every assembly. This initializer should do some kind of check that the current process is a TERA Arise process, and terminate the process if not. This should be configurable by the vendor project somehow.
• Randomize packet field ordering for packets deriving from AriseGamePacket. The seed should be configurable by the vendor project.