add documentation about broken flake checks

README.md

@@ -45,3 +45,6 @@ A workaround is to deploy the share without `deploy-rs`'s rollback feature enabl
 ```
 deploy --targets .#lewis --auto-rollback false --magic-rollback false
 ```
+
+Currently the flake checks fail on Raspberry Pi because it tries to compile the deploy-rs binary in aarch64 format on the controller.
+This can be temporarily circumvented by using `--skip-checks`.

flake.nix

@@ -91,6 +91,8 @@
         });
       };
 
+      # TODO: Currently flake checks for Raspberry Pi are broken.
+      # Temporarily use --skip-checks until this is resolved.
       checks = builtins.mapAttrs
         (system: deployLib: deployLib.deployChecks self.deploy)
         deploy-rs.lib;