docs(network): update protocol structure

Author: xeruf

GUIDELINES.md

@@ -49,17 +49,21 @@ to make some year-specific implementations from the plugin accessible in the sdk
 Currently there are two interfaces, [IGamePlugin](sdk/src/server-api/sc/api/plugins/IGamePlugin.java) and [XStreamProvider]( sdk/src/server-api/sc/networking/XStreamProvider.kt), which are implemented in the plugin and then loaded through a ServiceLoader.
 The information which implementations to use resides in [resources/META-INF/services](plugin/src/resources/META-INF/services).
 
-## Protocol Message Classes
+## Networking Protocol Classes
 
-### [sdk/server-api/sc.protocol](sdk/src/server-api/sc/protocol)
+[ProtocolPacket](sdk/src/server-api/sc/protocol/ProtocolPacket.kt) is the common interface
+for everything that is to be sent via the XML Protocol.
 
-(*Request) Ask for an action or information  
-(? extends [AdminLobbyRequest](sdk/src/server-api/sc/protocol/requests/ILobbyRequest.kt)) Requires authentication
+Data sent to a specific room has to implement [RoomMessage](sdk/src/server-api/sc/protocol/RoomMessage.kt)
+and is then wrapped in a [RoomPacket](sdk/src/server-api/sc/protocol/RoomPacket.kt).
 
-#### [Responses](sdk/src/server-api/sc/protocol/responses)
+### [Requests](sdk/src/server-api/sc/protocol/requests)
+- are all suffixed with `Request`
+- ask for an action or information  
+- any request that extends [AdminLobbyRequest](sdk/src/server-api/sc/protocol/requests/ILobbyRequest.kt)
+  requires authentication beforehand
 
-If it extends `ProtocolMessage` directly, it is wrapped in a [RoomPacket](sdk/src/server-api/sc/protocol/responses/RoomPacket.kt)
-and sent to a specific room, otherwise it has to extend `ILobbyRequest` and is sent to LobbyListeners.
+#### [Responses](sdk/src/server-api/sc/protocol/responses)
 
 (*Response) Response to a request  
 (*Event) Update to all observers