Initial editor commit

- Add Entity Tree View used to select entities to be modified
- Add Entity View used to Add/Remove/Edit Components of the Entity
- Add Asset View which lists all available assets

ext/projects/imgui/imgui.vcxproj

@@ -26,6 +26,7 @@
     <ClCompile Include="..\..\repos\imgui\imgui_draw.cpp" />
     <ClCompile Include="..\..\repos\imgui\imgui_tables.cpp" />
     <ClCompile Include="..\..\repos\imgui\imgui_widgets.cpp" />
+    <ClCompile Include="..\..\repos\imgui\misc\cpp\imgui_stdlib.cpp" />
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <VCProjectVersion>16.0</VCProjectVersion>

ext/projects/imgui/imgui.vcxproj.filters

@@ -36,5 +36,8 @@
     <ClCompile Include="..\..\repos\imgui\imgui_widgets.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\repos\imgui\misc\cpp\imgui_stdlib.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>