First pass at implementing item event handling

Core/Controllers/BotController.cs

@@ -148,7 +148,7 @@ public class BotController
             var botNameKey = botType.ToLower();
             foreach (var (difficultyName, difficultyValues) in botDetails.BotDifficulty)
             {
-                // Bot doesnt exist in result, add
+                // Bot doesn't exist in result, add
                 if (!result.ContainsKey(botNameKey))
                 {
                     result.TryAdd(botNameKey, new Dictionary<string, DifficultyCategories>());

Core/Controllers/CustomizationController.cs

@@ -77,7 +77,7 @@ public class CustomizationController
     /// <param name="buyClothingRequest">Request object</param>
     /// <param name="sessionId">Session id</param>
     /// <returns>ItemEventRouterResponse</returns>
-    public ItemEventRouterResponse BuyClothing(
+    public ItemEventRouterResponse BuyCustomisation(
         PmcData pmcData,
         BuyClothingRequestData buyClothingRequest,
         string sessionId)