feat(none-ls): Add prettier

In defaults.lua change 'opt' to 'go'
Fix catppuccin colorscheme

lua/custom/plugins/none-ls.lua

@@ -6,6 +6,9 @@ return {
     null_ls.setup({
       sources = {
         null_ls.builtins.formatting.stylua,
+        null_ls.builtins.formatting.prettier.with({
+          disabled_filetypes = { 'javascript', 'typescript', 'json' } -- Use biome
+        }),
         null_ls.builtins.formatting.biome,
         null_ls.builtins.diagnostics.biome,
       }