add relative path to lualine

lua/custom/plugins/lualine.lua

@@ -2,6 +2,12 @@ return {
   'nvim-lualine/lualine.nvim',
   dependencies = { 'nvim-tree/nvim-web-devicons' },
   config = function()
-    require('lualine').setup {}
+    require('lualine').setup {
+      sections = {
+        lualine_c = {
+          { 'filename', path = 1 }, -- This line configures the filename to show the relative path
+        },
+      },
+    }
   end,
 }