add some default themes

lua/custom/plugins/themes.lua

@@ -15,7 +15,31 @@ return {
           -- Dark Themes
           {
             name = '==========Dark Themes==========',
-            colorscheme = '', -- this actually keeps the selected theme
+            colorscheme = '', -- this actually keeps the selected theme, but it wont work with persistence
+          },
+          {
+            name = 'nvim default',
+            colorscheme = 'default',
+          },
+          {
+            name = 'nvim lunaperche',
+            colorscheme = 'lunaperche',
+          },
+          {
+            name = 'nvim quiet',
+            colorscheme = 'quiet',
+          },
+          {
+            name = 'nvim retrobox',
+            colorscheme = 'retrobox',
+          },
+          {
+            name = 'nvim slate',
+            colorscheme = 'slate',
+          },
+          {
+            name = 'nvim vim',
+            colorscheme = 'vim',
           },
           {
             name = 'tokyonight',
@@ -44,7 +68,7 @@ return {
           -- Light themes
           {
             name = '==========Light Themes==========',
-            colorscheme = '', -- this actually keeps the selected theme
+            colorscheme = '', -- this actually keeps the selected theme, but it wont work with persistence
           },
           {
             name = 'tokyonight-day',