Add Collide System

- Fix AssetRef unload leak

CopiumEngine/CopiumEngine.vcxproj.filters

@@ -219,12 +219,6 @@
     <ClCompile Include="src\copium\event\Input.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="src\copium\util\RefCounter.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="src\copium\ecs\ComponentListener.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="src\copium\sampler\DepthAttachment.h">
@@ -497,14 +491,20 @@
     <ClInclude Include="src\copium\example\HealthChangeSystem.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="src\copium\util\RefCounter.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="src\copium\ecs\ComponentListener.h">
       <Filter>Header Files</Filter>
     </ClInclude>
     <ClInclude Include="src\copium\example\HealthComponentListener.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="src\copium\example\ColliderSystem.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="src\copium\example\CollideSignal.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="src\copium\example\PickupSystem.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>