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

* sort cmake

* copy over comments

* clean up comments

common/pb/serverinfo_game.proto

@@ -1,25 +1,65 @@
 syntax = "proto2";
 import "serverinfo_user.proto";
 
+// Container for information about a game in the room's game list
 message ServerInfo_Game {
+    // id of server the game is on
     optional sint32 server_id = 1 [default = -1];
+
+    // id of room the game is in
     optional sint32 room_id = 2 [default = -1];
+
+    // unique id of the game inside the room
     optional sint32 game_id = 3 [default = -1];
+
+    // user provided game description
     optional string description = 4;
+
+    // password required to join game
     optional bool with_password = 5;
+
+    // players required to play
     optional uint32 max_players = 6;
+
+    // mask of server defined game types
     repeated sint32 game_types = 7;
+
+    // user that created the game
     optional ServerInfo_User creator_info = 8;
+
+    // only buddies of the creator can join this game
     optional bool only_buddies = 9;
+
+    // only registered users can join this game
     optional bool only_registered = 10;
+
+    // if spectators are allowed to join
     optional bool spectators_allowed = 11;
+
+    // spectators need to enter the game
     optional bool spectators_need_password = 12;
+
+    // spectators can use cmdGameSay
     optional bool spectators_can_chat = 13;
+
+    // spectators receive private events for all players
     optional bool spectators_omniscient = 14;
+
+    // decklists are sent to all players when loaded
     optional bool share_decklists_on_load = 15;
+
+    // the current player count
     optional uint32 player_count = 30;
+
+    // the current spectator count
     optional uint32 spectators_count = 31;
+
+    // whether the game is currently ongoing
     optional bool started = 50;
+
+    // time that the game started at
     optional uint32 start_time = 51;
+
+    // whether the game is closed. Closed games are finished and can't be interacted with
     optional bool closed = 52;
 }