No, but if they are already present in the config directory Syncthing will use them instead of generating a new pair. So you can pre-create the directory and certificate+key, and on first startup Syncthing will generate the default config etc.
No, but if they are already present in the config directory Syncthing will use them instead of generating a new pair. So you can pre-create the directory and certificate+key, and on first startup Syncthing will generate the default config etc.