New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/20392#issuecomment-896279984

Comment:
```
open("/home/ericonr/.local/share/lc0", O_RDONLY|O_CLOEXEC|O_DIRECTORY) = -1 ENOENT (No such file or directory)
open("/home/ericonr/.local/share/lc0/networks", O_RDONLY|O_CLOEXEC|O_DIRECTORY) = -1 ENOENT (No such file or directory)
open("/usr/local/share/lc0", O_RDONLY|O_CLOEXEC|O_DIRECTORY) = -1 ENOENT (No such file or directory)
open("/usr/local/share/lc0/networks", O_RDONLY|O_CLOEXEC|O_DIRECTORY) = -1 ENOENT (No such file or directory)
open("/usr/share/lc0", O_RDONLY|O_CLOEXEC|O_DIRECTORY) = -1 ENOENT (No such file or directory)
open("/usr/share/lc0/networks", O_RDONLY|O_CLOEXEC|O_DIRECTORY) = -1 ENOENT (No such file or directory)
```

Could we install a default network in `/usr/share/lc0/networks`? Is it easy to download one as a distfile?