Reorganize modules to add a fuzz target

...justjanne/libquassel/protocol/models/setup/BackendInfo.kt

...libquassel/protocol/models/setup/BackendInfoSerializer.kt

.../justjanne/libquassel/protocol/models/setup/SetupEntry.kt

...n/de/justjanne/libquassel/protocol/models/types/QtType.kt

...justjanne/libquassel/protocol/models/types/QuasselType.kt

...uassel/protocol/serializers/HandshakeMessageSerializer.kt

...ne/libquassel/protocol/serializers/HandshakeSerializer.kt

...ssel/protocol/serializers/NoSerializerForTypeException.kt

...ne/libquassel/protocol/serializers/PrimitiveSerializer.kt

...ssel/protocol/serializers/SignalProxyMessageSerializer.kt

.../libquassel/protocol/serializers/SignalProxySerializer.kt

...protocol/serializers/handshake/ClientInitAckSerializer.kt

...tocol/serializers/handshake/ClientInitRejectSerializer.kt

...el/protocol/serializers/handshake/ClientInitSerializer.kt

...rotocol/serializers/handshake/ClientLoginAckSerializer.kt

...ocol/serializers/handshake/ClientLoginRejectSerializer.kt

...l/protocol/serializers/handshake/ClientLoginSerializer.kt

.../protocol/serializers/handshake/CoreSetupAckSerializer.kt

...protocol/serializers/handshake/CoreSetupDataSerializer.kt

...otocol/serializers/handshake/CoreSetupRejectSerializer.kt