Reorganize modules to add a fuzz target

...l/protocol/serializers/quassel/NetworkServerSerializer.kt

...quassel/protocol/serializers/quassel/PeerPtrSerializer.kt

...el/protocol/serializers/quassel/QHostAddressSerializer.kt

...otocol/serializers/quassel/TransferDirectionSerializer.kt

.../protocol/serializers/quassel/TransferIdListSerializer.kt

.../protocol/serializers/quassel/TransferStatusSerializer.kt

...tocol/serializers/signalproxy/HeartBeatReplySerializer.kt

...l/protocol/serializers/signalproxy/HeartBeatSerializer.kt

...el/protocol/serializers/signalproxy/InitDataSerializer.kt

...protocol/serializers/signalproxy/InitRequestSerializer.kt

...quassel/protocol/serializers/signalproxy/RpcSerializer.kt

...uassel/protocol/serializers/signalproxy/SyncSerializer.kt

.../justjanne/libquassel/protocol/session/CommonSyncProxy.kt

...ne/libquassel/protocol/session/HandshakeMessageHandler.kt

...tjanne/libquassel/protocol/session/ProxyMessageHandler.kt

...otlin/de/justjanne/libquassel/protocol/session/Session.kt

...lin/de/justjanne/libquassel/protocol/session/SyncProxy.kt

...stjanne/libquassel/protocol/syncables/HeartBeatHandler.kt

...stjanne/libquassel/protocol/syncables/ObjectIdentifier.kt

...stjanne/libquassel/protocol/syncables/ObjectRepository.kt