Personal Nix setup

Update because corepack default may have changed

Changed files
+1
home
development
+1
home/development/js.nix
···
COREPACK_ENABLE_AUTO_PIN = "0"; # disable corepack creating packageManager entries
COREPACK_INTEGRITY_KEYS = "0";
+
COREPACK_ENABLE_STRICT = "0";
};
home.file.".yarnrc".text = ''