move colorscheme.lua back to core for consistency

.config/nvim/lua/core/lazy.lua

@@ -13,12 +13,16 @@ end
 vim.opt.rtp:prepend(lazypath)
 
 -- lazy setup
-require("lazy").setup({ { import = "plugins" }, { import = "plugins.lsp" } }, {
+require("lazy").setup({
+  { import = "core.colorscheme" },
+  { import = "plugins" },
+  { import = "plugins.lsp" },
+}, {
   checker = {
     enabled = true,
     notify = false,
   },
   change_detection = {
     notify = false,
-   }
+  },
 })