feat: some migration

packages/core/src/protos/rating_leaderboard.proto

@@ -0,0 +1,33 @@
+syntax = "proto2";
+
+package blitzkit;
+
+message RatingLeaderboard {
+  oneof version {
+    RatingLeaderboardV1 v1 = 1;
+    RatingLeaderboardV2 v2 = 2;
+  }
+}
+
+message RatingLeaderboardV1 {
+  repeated RatingLeaderboardEntryV1 entries = 1;
+}
+
+message RatingLeaderboardEntryV1 {
+  required uint32 id = 1;
+  required uint32 score = 2;
+}
+
+message RatingLeaderboardV2 {
+  repeated RatingLeaderboardEntryV2 entries = 1;
+}
+
+message RatingLeaderboardEntryV2 {
+  required uint32 id = 1;
+  required uint32 score = 2;
+  required uint32 battles = 3;
+  required uint32 wins = 4;
+  required uint32 survived = 5;
+  required uint32 damage = 6;
+  required uint32 kills = 7;
+}