Reorganize scripts into subfolders by responsibility

Move scripts under Assets/Scripts/ into Components, GameMode, Helper,
Network, Enum, Struct and ScriptableObject folders. Pure file moves
(plus folder .meta files); no code changes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Assets/Scripts/Enum/PlayerRole.cs

@@ -0,0 +1,10 @@
+/// <summary>
+/// Which side a spawned avatar plays. Baked into each avatar prefab variant (the server rolls the
+/// roles at match start and spawns the matching variant); read back by GameModeManager to build the
+/// role's mode set.
+/// </summary>
+public enum PlayerRole
+{
+    Hider = 0,
+    Hunter = 1,
+}

Assets/Scripts/Enum/PlayerRole.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 4c3a46956c5cf5446ab2698d8da6b2d8