nvim: added stylua with custom config

.config/nvim/lua/plugins/conform.lua

@@ -1,18 +1,19 @@
 return {
   -- improved refactoring
   {
-    'stevearc/conform.nvim',
+    "stevearc/conform.nvim",
     config = function()
       require("conform").setup({
         formatters_by_ft = {
           python = { "isort", "black" },
           markdown = { "mdformat" },
           tex = { "latexindent" },
-        }
+          lua = { "stylua" },
+        },
       })
       require("conform").formatters.latexindent = {
         prepend_args = { "-y=defaultIndent: '  '" },
       }
-    end
-  }
+    end,
+  },
 }