add: Network Protocol docs

documents/docs/networking/Network-Protocol-Documentation.md

@@ -0,0 +1,63 @@
+This Document states the Network-Protocol as it is currently implemented 
+
+## GET_MESSAGE_COUNT
+This Command gets the number of messages, currently stored in the queue for the specific client.
+(Is used together with GET_NEXT_MESSAGE, to get all messages that are currently in the queue)
+
+Example:
+
+```
+GET_MESSAGE_COUNT
+
+1
++OK
+```
+
+## GET_NEXT_MESSAGE
+This Command gets the next Message that is being stored in the queue for the client.
+(Command is being sent the amount of times, the GET_MESSAGE_COUNT Command returns)
+
+Example:
+
+```
+GET_NEXT_MESSAGE
+
+TYPE=LOBBY GAME=1 USER=player1 TARGET=null TIME=9:30 TEXT="Guten Tag"
++OK
+```
+
+## SEND_MESSAGE
+This Command gets sent if the user of that client writes a message to one of the three possible chats
+
+(The Arguments / Parameters of the Command describe all the parameters of the Object "Message" being used internally by both the Client and the Server)
+
+Example:
+```
+SEND_MESSAGE TYPE=LOBBY GAME=1 USER=player1 TARGET=null TIME=10:30 TEXT="Hallo Welt"
+
++OK
+```
+
+## LOG_IN
+This Command is used to create a user on the server and associate that user with a username
+Server returns the username, slightly changed if it is already used by someone else, and an ID to identify the client.
+
+Example:
+
+```
+LOG_IN USERNAME="Peter"
+
+USERNAME="Peter" ID=<random UUID>
++OK
+```
+
+## LOG_OUT
+This Command is used to quit the connection between client and server.
+
+Example:
+
+```
+LOG_OUT
+
++OK
+```