I bet you that a Nostr-based versioning system could work really well. It may not be exactly like git, but something similar could possibly work.

nostr:nevent1qqsfg6hcsz90mvxs7hz4w5c9kwv6j3amgsak8dksztxxmkrvj63jmacppemhxue69uhkummn9ekx7mp0qgspyl7u5v9r7a06uerc6txg20ehnu3f0us3azzmw47t86ngjqty3cgrqsqqqqqpvnr6ve