Sort pb cmake and add comments to proto files (#6163)

* sort cmake

* copy over comments

* clean up comments

common/pb/room_commands.proto

@@ -22,23 +22,52 @@ message Command_RoomSay {
     optional string message = 1;
 }
 
+// Create a new game in the room
 message Command_CreateGame {
     extend RoomCommand {
         optional Command_CreateGame ext = 1002;
     }
+
+    // game description shown in game list
     optional string description = 1;
+
+    // password users will have to provide to join the game
     optional string password = 2;
+
+    // amount of players needed to play
     optional uint32 max_players = 3;
+
+    // limits the game to only allowing users on the creator's buddy list to join
     optional bool only_buddies = 4;
+
+    // limits the game to only allowing registered users
     optional bool only_registered = 5;
+
+    // allows non players to view the game as spectator
     optional bool spectators_allowed = 6;
+
+    // allows spectators to join without password if false
     optional bool spectators_need_password = 7;
+
+    // allows spectators to use game say commands
     optional bool spectators_can_talk = 8;
+
+    // allows spectators to see hands and hidden information
     optional bool spectators_see_everything = 9;
+
+    // selection of game types as presented in the server's room configuration
     repeated uint32 game_type_ids = 10;
+
+    // the creator of the game will join it as a judge
     optional bool join_as_judge = 11;
+
+    // the creator of the game will join it as a spectator
     optional bool join_as_spectator = 12;
+
+    // set the starting life total
     optional uint32 starting_life_total = 13;
+
+    // share decklists with all players when selected
     optional bool share_decklists_on_load = 14;
 }