Merge pull request #21637 from smoogipoo/score-encoder-doc

Add description for lazer score version 30000001

Author: peppy

osu.Game/Scoring/Legacy/LegacyScoreEncoder.cs

@@ -25,6 +25,11 @@ public class LegacyScoreEncoder
         /// Database version in stable-compatible YYYYMMDD format.
         /// Should be incremented if any changes are made to the format/usage.
         /// </summary>
+        /// <remarks>
+        /// <list type="bullet">
+        /// <item><description>30000001: Appends <see cref="LegacyReplaySoloScoreInfo"/> to the end of scores.</description></item>
+        /// </list>
+        /// </remarks>
         public const int LATEST_VERSION = 30000001;
 
         /// <summary>