lualine: add icons

- From https://github.com/geekingfrog/configFiles/blob/master/vim/fnl/plugins/00-eye-candy.fnl#L34-L37C67

lua/lazy-configure.lua

@@ -140,11 +140,17 @@ require('lazy').setup({
     -- See `:help lualine.txt`
     opts = {
       options = {
-        icons_enabled = false,
+        icons_enabled = true,
         theme = 'rose-pine',
         component_separators = '|',
         section_separators = '',
       },
+      symbols = {
+        error =  " ",
+        warn = " ",
+        info =  " ",
+        hint = " ",
+      }
     },
   },