docs(readme): add colorscheme to key features

feat(colorscheme): enhance cargdev-cyberpunk configuration
- Enable transparency
- Enable italic comments, bold keywords/functions/types
- Enable terminal colors

lua/cargdev/plugins/colorscheme.lua

@@ -2,10 +2,21 @@ return {
   "CarGDev/cargdev-cyberpunk",
   name = "cargdev-cyberpunk",
   lazy = false,
-  priority = 1000,
+  priority = 1000, -- Load before other plugins for consistent UI
   config = function()
-    vim.opt.termguicolors = true
-    vim.opt.background = "dark"
-    require("cargdev-cyberpunk").setup()
+    local opt = vim.opt
+    opt.termguicolors = true
+    opt.background = "dark"
+
+    require("cargdev-cyberpunk").setup({
+      transparent = true,
+      italic_comments = true,
+      bold_keywords = true,
+      bold_functions = true,
+      bold_types = true,
+
+      -- Enable terminal colors
+      terminal_colors = true,
+    })
   end,
 }