docs(readme): add binary cache instructions

1 files changed, 15 insertions, 0 deletions

diff --git a/README.md b/README.md
index c89fbce..e9db024 100644
--- a/README.md
+++ b/README.md
@@ -99,6 +99,21 @@ import nixpkgs {
 }
 ```
 
+### Binary Cache
+
+To speed up the consumption of Tsutsumi packages, add the Tsutsumi binary cache
+to your NixOS configuration.
+
+```nix
+nix.settings = {
+  substituters = [ "https://tsutsumi.cachix.org" ];
+
+  trusted-public-keys = [
+    "tsutsumi.cachix.org-1:MojIlGI60CT5EoyuTgjB4VRVgf/uUvakZVWoYJThQNk="
+  ];
+};
+```
+
 ## Credits
 
 This flake includes a modified version of