Make CLI-related modules submodules of cli (#269)

* kernels: move all CLI functions to cli module

* nix: add missing kernels dependencies

* Fix incorrect import

Author: danieldk

flake.nix

@@ -158,8 +158,12 @@
               pytest
               pytest-benchmark
               pyyaml
+              tabulate
+              tomlkit
               torch
               types-pyyaml
+              types-requests
+              types-tabulate
               venvShellHook
             ]);