docs: add cache, package-sets

docs/cache.md

@@ -0,0 +1,13 @@
+[https://nix-community.cachix.org/](https://nix-community.cachix.org/)
+
+```nix
+{
+  nix.settings.substituters = [
+    "https://nix-community.cachix.org"
+  ];
+
+  nix.settings.trusted-public-keys = [
+    "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+  ];
+}
+```

docs/continuous-integration.md

@@ -33,6 +33,6 @@ To enable hydra add a new project in this [file](https://github.com/nix-communit
 
 #### Cache
 
-[https://nix-community.cachix.org/](https://nix-community.cachix.org/)
+All of the above builds are pushed to the cache.
 
-All of the above CI builds are pushed to the cache.
+See [here](./cache.md) for details.

docs/package-sets.md

@@ -0,0 +1,15 @@
+#### Nixpkgs CUDA and ROCm
+
+Built on `nixos-unstable-small` for `x86_64-linux`, `aarch64-linux`.
+
+[CUDA and ROCm release set in nixpkgs](https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/release-cuda.nix)
+
+[https://hydra.nix-community.org/jobset/nixpkgs/cuda](https://hydra.nix-community.org/jobset/nixpkgs/cuda)
+
+[https://hydra.nix-community.org/jobset/nixpkgs/rocm](https://hydra.nix-community.org/jobset/nixpkgs/rocm)
+
+#### Cache
+
+All of the above builds are pushed to the cache.
+
+See [here](./cache.md) for details.

mkdocs.yml

@@ -5,6 +5,8 @@ nav:
   - Services:
       - continuous-integration.md
       - Faster GitHub Actions: namespace-actions.md
+      - package-sets.md
+      - cache.md
       - community-builder.md
       - R. RyanTM nixpkgs-update bot: update-bot.md
       - NUR update: nur-update.md