Merge pull request #30 from ArchiveBox/claude/festive-galileo-JukMj-v2

Update nix profile install → add (fix deprecation)

Author: pirate

abxpkg/binprovider_nix.py

@@ -225,7 +225,7 @@ def default_install_handler(
             bin_name=installer_bin,
             cmd=[
                 "profile",
-                "install",
+                "add",
                 "--extra-experimental-features",
                 "nix-command",
                 "--extra-experimental-features",