readme: mention git submodules

This commit is contained in:
Sridhar Ratnakumar 2025-11-20 18:44:11 -05:00
parent 9672a8dfd0
commit 995d47db17

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@ -54,6 +54,11 @@ Start from `flake.nix` (see [Flakes](https://nixos.wiki/wiki/Flakes)). [`flake-p
| `./packages` | N/A (Nix packages) |
| `./secrets` | N/A (agenix data) |
### Git Submodules
The `vendor/` directory contains git submodules. See [this blog post](https://nixos.asia/en/blog/git-submodule-input) for details.
## Tips
- To update NixOS (and other inputs) run `nix flake update`