An attempt at introducing the functionality in #40 using the same format string implementation we use for other embed formats.
[x] Fix order of operations ([Errno 2] No such file or directory: '[snip]/docs/drawio-exporter/0000000000000000000000000000000000000000-0' when building without cache)
[x] Validate configuration to ensure that {content} isn't present in embed_format when format != 'svg'
An attempt at introducing the functionality in #40 using the same format string implementation we use for other embed formats.
[Errno 2] No such file or directory: '[snip]/docs/drawio-exporter/0000000000000000000000000000000000000000-0'when building without cache){content}isn't present inembed_formatwhenformat != 'svg'