oil: enable show_hidden by default

lua/crentist/lazy/oil.lua

@@ -5,9 +5,13 @@ return {
     opts = {},
     config = function()
         require('oil').setup({
+            view_options = {
+                show_hidden = true,
+            },
             keymaps = {
                 ['<C-h>'] = false,
             }
         })
     end
 }
+