feat: group ui related packages under a ui directory

pkgs/clan-app/shell.nix

@@ -1,48 +0,0 @@
-{
-  clan-app,
-  mkShell,
-  ruff,
-  webview-lib,
-  self',
-}:
-
-mkShell {
-  name = "clan-app";
-
-  inputsFrom = [ self'.devShells.default ];
-
-  inherit (clan-app) nativeBuildInputs propagatedBuildInputs;
-
-  buildInputs = [
-    (clan-app.pythonRuntime.withPackages (
-      ps:
-      with ps;
-      [
-        mypy
-      ]
-      ++ (clan-app.devshellPyDeps ps)
-    ))
-    ruff
-  ] ++ clan-app.runtimeDeps;
-
-  shellHook = ''
-    export GIT_ROOT=$(git rev-parse --show-toplevel)
-    export PKG_ROOT=$GIT_ROOT/pkgs/clan-app
-
-    export CLAN_CORE_PATH="$GIT_ROOT"
-
-    # Add current package to PYTHONPATH
-    export PYTHONPATH="$PKG_ROOT''${PYTHONPATH:+:$PYTHONPATH:}"
-
-    # Add clan-app command to PATH
-    export PATH="$PKG_ROOT/bin":"$PATH"
-
-    # Add clan-cli to the python path so that we can import it without building it in nix first
-    export PYTHONPATH="$GIT_ROOT/pkgs/clan-cli":"$PYTHONPATH"
-
-    export XDG_DATA_DIRS=$GSETTINGS_SCHEMAS_PATH:$XDG_DATA_DIRS
-
-    export WEBVIEW_LIB_DIR=${webview-lib}/lib
-    source $PKG_ROOT/.local.env
-  '';
-}