Find a file format for bundled universe search

[Eselvire]

I'm thinking that the easiest would be CSV file with creationId, creationName, creationType, isClonable, timesPlaced, timesCollected. Having all that data would allow to search for creations locally. The universe-search-all.json file weights about 8MB so it shouldn't exceed 20MB uncompressed, worst case

We probably won't bundle the actual creation data / sprites because 450MB is too much just for the ability to pull up things from Universe Search while offline; data will be fetched from the offlineland CDN instead