feat: add minimal mode for reduced color palette

Add new `minimal` config option that provides a cleaner, more focused
  color scheme with fewer distinct colors:
  - Variables/constants: white
  - Functions/methods: blue
  - Types: aqua
  - Keywords/statements: gray
  - Operators: yellow
  - Brackets/punctuation: gray
  - Properties/members: violet

lua/kanso/init.lua

@@ -11,6 +11,7 @@ M.config = {
     bold = true,
     italics = true,
     undercurl = true,
+    minimal = false,
     commentStyle = { italic = true },
     functionStyle = {},
     keywordStyle = { italic = true },
@@ -48,6 +49,11 @@ function M.setup(config)
     else
         vim.notify("Kanso: Errors found while loading user config. Using default config.", vim.log.levels.ERROR)
     end
+
+    -- Reload colorscheme if already active to apply new config
+    if vim.g.colors_name == "kanso" then
+        M.load(M._EXPLICIT_THEME)
+    end
 end
 
 --- load the colorscheme