Manpages of src:oxigraph in Debian testing

• oxigraph-backup(1)
• oxigraph-convert(1)
• oxigraph-dump(1)
• oxigraph-help(1)
• oxigraph-load(1)
• oxigraph-optimize(1)
• oxigraph-query(1)
• oxigraph-serve-read-only(1)
• oxigraph-serve-secondary(1)
• oxigraph-serve(1)
• oxigraph-update(1)
• oxigraph(1)