Introduce ImGuizmo gem (#100)

Added new gem code. Allows to draw only one gizmo at the time.

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Signed-off-by: Michał Pełka <[email protected]>
Co-authored-by: Paweł Liberadzki <[email protected]>

Author: michalpelka

Gems/ImGuizmo/.gitignore

@@ -0,0 +1,6 @@
+
+o3de_gem_setup("ImGuizmo")
+
+ly_add_external_target_path(${CMAKE_CURRENT_SOURCE_DIR}/3rdParty)
+
+add_subdirectory(Code)