extended server documentation

Game Server/server logic notes.md

@@ -34,4 +34,9 @@
     - what turn state is currently active
         - draw state
         - place state
-    - is the player trying to do actions not allowed in the given state
+    - is the player trying to do actions not allowed in the given state
+
+# drawing cards:
+- ensure the player only can have 7 cards
+    - if limit exceeds the player payes lifepoints and drops a card
+- ensure the drawn card for sure still can be in the players deck