rendering

Rendertron should be configured with an allow-list and behind a reverse proxy, rather than exposed to the open internet.

This should be reflected in the readme as well as the documentation.

Describe the bug
When compiling v0.13.0 build fails with

/home/zannzetsu/open3d/src/open3d/cpp/open3d/visualization/rendering/filament/FilamentEntitiesMods.cpp:212:22:   required from here
/usr/include/fmt/core.h:1579:7: error: static assertion failed: Cannot format an argument. To make type T formattable provide a formatter<T> specialization: https://fmt.dev/latest/api.html#udt
 157

System Information

• Ogre Version: e80555d6a06dbcad192286818113ad69618b04a1
• Operating System / Platform: andr

Currently, we only have 2 examples apps (clock-app and navigation), I guess we can add more!
I would love to see more examples using Redux, Apollo [...]

I'm open to ideas!

Needs to be discussed first.