Update docs

Author: john-b-yang

docs/reference/arenas/battlecode.md

@@ -12,7 +12,7 @@ BattleCode is a programming competition where players write Java code to control
 
 ## Implementation
 
-::: codeclash.games.battlecode.battlecode.BattleCodeGame
+::: codeclash.arenas.battlecode.battlecode.BattleCodeArena
     options:
       show_root_heading: true
       heading_level: 2

docs/reference/arenas/battlesnake.md

@@ -45,7 +45,7 @@ players:
 
 ## Implementation
 
-::: codeclash.games.battlesnake.battlesnake.BattleSnakeGame
+::: codeclash.arenas.battlesnake.battlesnake.BattleSnakeArena
     options:
       show_root_heading: true
       heading_level: 2

docs/reference/arenas/corewar.md

@@ -35,7 +35,7 @@ players:
 
 ## Implementation
 
-::: codeclash.games.corewar.corewar.CoreWarGame
+::: codeclash.arenas.corewar.corewar.CoreWarArena
     options:
       show_root_heading: true
       heading_level: 2

docs/reference/arenas/dummy.md

@@ -8,7 +8,7 @@ DummyGame is a minimal game implementation used for testing the CodeClash framew
 
 ## Implementation
 
-::: codeclash.games.dummy.dummy_game.DummyGame
+::: codeclash.arenas.dummy.dummy.DummyArena
     options:
       show_root_heading: true
       heading_level: 2

docs/reference/arenas/game.md

@@ -1,10 +1,10 @@
-# CodeGame (Abstract Base)
+# CodeArena (Abstract Base)
 
-The `CodeGame` class is the abstract base class for all game arenas in CodeClash.
+The `CodeArena` class is the abstract base class for all game arenas in CodeClash.
 
 ## Overview
 
-Every game in CodeClash extends `CodeGame` and implements three key methods:
+Every game in CodeClash extends `CodeArena` and implements three key methods:
 
 1. `validate_code()`: Verify that player submissions are valid
 2. `execute_round()`: Run the actual game
@@ -33,7 +33,7 @@ Each game runs in its own Docker container with:
 
 ## Class Reference
 
-::: codeclash.games.game.CodeGame
+::: codeclash.arenas.arena.CodeArena
     options:
       show_root_heading: true
       heading_level: 2
@@ -42,14 +42,14 @@ Each game runs in its own Docker container with:
 
 ### PlayerStats
 
-::: codeclash.games.game.PlayerStats
+::: codeclash.arenas.arena.PlayerStats
     options:
       show_root_heading: true
       heading_level: 3
 
 ### RoundStats
 
-::: codeclash.games.game.RoundStats
+::: codeclash.arenas.arena.RoundStats
     options:
       show_root_heading: true
       heading_level: 3

docs/reference/arenas/halite.md

@@ -36,7 +36,7 @@ players:
 
 ## Implementation
 
-::: codeclash.games.halite.halite.HaliteGame
+::: codeclash.arenas.halite.halite.HaliteArena
     options:
       show_root_heading: true
       heading_level: 2

docs/reference/arenas/halite2.md

@@ -12,7 +12,7 @@ Halite II introduces planetary docking, combat, and more complex strategies.
 
 ## Implementation
 
-::: codeclash.games.halite2.halite2.Halite2Game
+::: codeclash.arenas.halite2.halite2.Halite2Arena
     options:
       show_root_heading: true
       heading_level: 2

docs/reference/arenas/halite3.md

@@ -12,7 +12,7 @@ Halite III returns to the resource collection mechanics with new twists.
 
 ## Implementation
 
-::: codeclash.games.halite3.halite3.Halite3Game
+::: codeclash.arenas.halite3.halite3.Halite3Arena
     options:
       show_root_heading: true
       heading_level: 2

docs/reference/arenas/huskybench.md

@@ -12,7 +12,7 @@ Huskybench is an implementation of Husky Hold'em
 
 ## Implementation
 
-::: codeclash.games.huskybench.huskybench.HuskyBenchGame
+::: codeclash.arenas.huskybench.huskybench.HuskyBenchArena
     options:
       show_root_heading: true
       heading_level: 2

docs/reference/arenas/robocode.md

@@ -36,7 +36,7 @@ players:
 
 ## Implementation
 
-::: codeclash.games.robocode.robocode.RoboCodeGame
+::: codeclash.arenas.robocode.robocode.RoboCodeArena
     options:
       show_root_heading: true
       heading_level: 2