Added documentation to realm info protobuf definition

Author: AlejandroAlvarezMelucciDCL

proto/decentraland/sdk/components/realm_info.proto

@@ -5,11 +5,11 @@ import "decentraland/sdk/components/common/id.proto";
 option (common.ecs_component_id) = 1106;
 
 message PBRealmInfo {
-  string base_url = 1;
-  string realm_name = 2;
-  int32 network_id = 3;
-  string comms_adapter = 4;
-  bool is_preview = 5;
-  optional string room = 6;
-  optional bool is_connected_scene_room = 7;
+  string base_url = 1;                        // the domain of the realm server
+  string realm_name = 2;                      // the name of the realm server
+  int32 network_id = 3;                       // the Ethereum network
+  string comms_adapter = 4;                   // comms adapter, removing all query parameters (credentials)
+  bool is_preview = 5;                        // true if the scene is running as a local preview, instead of published in Decentraland.
+  optional string room = 6;                   // the room session id.
+  optional bool is_connected_scene_room = 7;  // true if the user is connected to the scene room.
 }