Reorganize modules

modules/home/programs/zsh.nix

@@ -0,0 +1,22 @@
+{ pkgs, ... }:
+
+{
+  home.file.".zsh/fastfetch.jsonc".source = ./fastfetch/config.jsonc;
+  home.file.".zsh/functions/dex.zsh".source = ./zsh/functions/dex.zsh;
+
+  programs.zsh = {
+    enable = true;
+
+    oh-my-zsh = {
+      enable = true;
+      theme = "agnoster";
+    };
+
+    initContent = ''
+      # Use kitty's ssh helper if running inside kitty
+      [ "$TERM" = "xterm-kitty" ] && alias ssh="kitty +kitten ssh"
+
+      source ~/.zsh/functions/dex.zsh
+    '';
+  };
+}