gen_images and gen_examples are never called on their own, CI scripts call make -C docs directly. Since calling them both in parallel seems to cause issues, let's not do that, and instead combine them into a singular `make docs/gen`. This should resolve the parallelism problems by making them sequential while still retaining the -j support.
`-W --keep-going` will build everything but raise an error on any warnings. Should mean that github actions will correctly flag a failure when attempting to build docs. Including this current commit until the `internal_stats` command gets a help message.
Swap `cp -u` for `rsync -t`.
Drop the workaround to get the list of dot files after copying them, and instead just run the makefile twice.
Swap `$(wildcard **/*.x)` for `$(shell find . -name *.x)`,