bat: switch to Catppuccin

.config/bat/config

@@ -1,3 +1,3 @@
---theme=Dracula
+--theme=Catppuccin-mocha
 --style="numbers,changes,header"
 --italic-text=always

nix/modules/xdg.nix

@@ -12,6 +12,13 @@
       rev = "4820b3ef3f4968cf3084b2239ce7d1e99ea04dda";
       sha256 = "sha256-uZSx+fuzcW//5/FtW98q7G4xRRjJjD5aQMbvJ4cs94U=";
     };
+    bat = pkgs.fetchFromGitea {
+      domain = "gitea.catppuccin.com";
+      owner = "catppuccin";
+      repo = "bat";
+      rev = "ba4d16880d63e656acced2b7d4e034e4a93f74b1";
+      sha256 = "sha256-6WVKQErGdaqb++oaXnY3i6/GuH2FhTgK0v4TN4Y0Wbw=";
+    };
     btop = pkgs.fetchFromGitea {
       domain = "gitea.catppuccin.com";
       owner = "catppuccin";
@@ -82,6 +89,27 @@ in {
       + "/themes/mocha.conf";
   };
 
+  configFile."bat/themes/Catppuccin-latte.tmTheme" = {
+    source =
+      catppuccin.bat
+      + "/Catppuccin-latte.tmTheme";
+  };
+  configFile."bat/themes/Catppuccin-frappe.tmTheme" = {
+    source =
+      catppuccin.bat
+      + "/Catppuccin-frappe.tmTheme";
+  };
+  configFile."bat/themes/Catppuccin-macchiato.tmTheme" = {
+    source =
+      catppuccin.bat
+      + "/Catppuccin-macchiato.tmTheme";
+  };
+  configFile."bat/themes/Catppuccin-mocha.tmTheme" = {
+    source =
+      catppuccin.bat
+      + "/Catppuccin-mocha.tmTheme";
+  };
+
   configFile."btop/themes/catppuccin_mocha.theme" = {
     source =
       catppuccin.btop