[FEATURE] Way to disable rendering on specific files

[Amatrelan]

Is your feature request related to a problem? Please describe.

There is now little problem way the rendering works and there should be way to disable it on specific file.

I use playerctl to see media data in my song information and it needs in --format command output data to be wrapped in {{status}} so this causes problem with rendering how rendering is done.

Describe the solution you'd like

Way to disable Tera rendering on some specific files so this problem can be avoided.

Describe alternatives you've considered
There isn't really any workarounds right now, just bad edge case that can come when using specific tools.

Additional context
Full command I use to fetch metadata is playerctl -a metadata --format {{status}} {{title}}

[shaleh]

Keats/tera#135
and specifically Keats/tera#135 (comment)

You can use the not so great {{ "{{ foo }}" }} syntax to escape braces.