flake: move packages to packages dir

packages/shell/fishinit.nix

@@ -0,0 +1,19 @@
+{
+  pkgs,
+  aliasesStr,
+}:
+pkgs.writeText "config.fish" ''
+
+  # source ${pkgs.fishPlugins.sponge}/share/zsh-defer/zsh-defer.plugin.zsh
+  ${pkgs.atuin}/bin/atuin init fish | source
+  ${pkgs.zoxide}/bin/zoxide init fish | source
+  ${pkgs.starship}/bin/starship init fish | source
+  ${pkgs.direnv}/bin/direnv hook fish | source
+  ${pkgs.pay-respects}/bin/pay-respects fish --alias f --nocnf | source
+
+
+  source ${./config.fish}
+
+
+  ${aliasesStr}
+''