Adds a 3x3 Strongbox to AAI Containers. Also check out https://mods.factorio.com/mod/5x5-container-for-aai-containers

No code or images of AAI containers mod are included with this mod, so there is not any content from the AAI Containers mod in this mod. The --dump-data command line option was used and then the file data-raw-dump.json generated by Factorio was processed programatically to generate this mod, so there is no altered or derived content from the AAI Containers mod in this mod.