feat: use ivy for telescope

modules/programs/nvim/new_plugins/telescope.nix

@@ -6,6 +6,13 @@ _:
       telescope = {
         enable = true;
         extensions.fzf-native.enable = true;
+        settings.defaults.__raw = ''
+          require("telescope.themes").get_ivy({
+            layout_config = {
+              height = 0.75
+            }
+          })
+        '';
         keymaps = {
           "<leader>ff" = {
             action = "find_files";