Add enjim dataset(s)

[lloorree]

To run/set up:

• download sqlite from https://www.sqlite.org/download.html and install
• install/update dependencies however you're managing the .toml requirements locally
• update catbox paths in config.yaml
• run normally

To sanity-check the output (basically checks for bizarrely-formatted garbage):

grep -E "<[^* '\n3A-Z=<\.]+>|\[[^A-Z* 0-9r\.]{0,10}\]|&[^ \n]{1,10};|:[^ \n0-9]{1,10}:" rev-020c8d0-args-d93e21a.jsonl -c