We probably need to install the binary `svnserve` provided by the `subversion` package:
https://packages.debian.org/stable/subversion
So we need:
```
sudo apt install subversion
```
To be able to create Diffusion repositories with Subversion.
https://we.phorge.it/book/phorge/article/diffusion_hosting/
Why?
This can be useful to have at least an example SVN repository in our production :D useful since we actively develop SVN things like:
- D25823
- ...