[1.2] Add ability to get a copy of all stored entity data

src/AlternateLife.RageMP.Net/Elements/Entities/Entity.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Linq;
 using System.Numerics;
 using System.Threading.Tasks;
 using AlternateLife.RageMP.Net.Data;
@@ -243,6 +244,11 @@ public void ResetSharedData(string key)
             SetSharedData(key, null);
         }
 
+        public IReadOnlyDictionary<string, object> GetAllData()
+        {
+            return _data.ToDictionary(x => x.Key, x => x.Value);
+        }
+
         public bool TryGetData(string key, out object data)
         {
             Contract.NotEmpty(key, nameof(key));

src/AlternateLife.RageMP.Net/Interfaces/IEntity.cs

@@ -243,6 +243,12 @@ public interface IEntity
         /// <exception cref="EntityDeletedException">This entity was deleted before</exception>
         void ResetSharedData(string key);
 
+        /// <summary>
+        /// Returns every stored data of the entity
+        /// </summary>
+        /// <returns>Copy of all stored data</returns>
+        IReadOnlyDictionary<string, object> GetAllData();
+
         /// <summary>
         /// Get data of the entity.
         /// </summary>