feat: add bat, batman and delta to common shell commands

common/modules/bash/programs.nix

@@ -1,9 +1,10 @@
-{ ... }: {
+{ pkgs, ... }: {
   programs = {
     fzf = {
       enable = true;
       enableBashIntegration = true;
     };
+
     ripgrep = {
       enable = true;
       arguments = [
@@ -16,7 +17,28 @@
         "path"
       ];
     };
+
     jq.enable = true;
     htop.enable = true;
+
+    bash.shellAliases = {
+      cat = "bat ";
+      man = "BAT_THEME='default' batman ";
+    };
+    bat = {
+      enable = true;
+      config = {
+        theme = "dracula-bat";
+      };
+      themes = {
+        dracula-bat = {
+          src = "${pkgs.dracula-theme}/bat";
+          file = "dracula-bat.tmTheme";
+        };
+      };
+      extraPackages = with pkgs.bat-extras; [
+        batman
+      ];
+    };
   };
 }