Added IconFontCppHeaders

Author: PR3C14D0

.github/README.md

@@ -19,4 +19,5 @@
 - [ImGui](https://github.com/ocornut/imgui)
 - [DirectXMath](https://github.com/microsoft/DirectXMath)
 - [spdlog](https://github.com/gabime/spdlog)
-- [ImGuizmo](https://github.com/CedricGuillemet/ImGuizmo)
+- [ImGuizmo](https://github.com/CedricGuillemet/ImGuizmo)
+- [IconFontCppHeaders](https://github.com/juliettef/IconFontCppHeaders)

.gitignore

@@ -98,7 +98,7 @@ StyleCopReport.xml
 *.svclog
 *.scc
 
-.idea
+.idea/
 
 # Chutzpah Test files
 _Chutzpah*