Add fold support for comment blocks in PHP

Introduce a new query file to enable folding of comment blocks,
including docblocks, enhancing code readability and organization.

after/queries/php/folds.scm

@@ -0,0 +1,4 @@
+;; extends
+
+;; Fold comment blocks (including /** */ docblocks)
+(comment) @fold

lua/plugins/ufo.lua

@@ -26,7 +26,7 @@ return {
     -- Open folds when searching
     open_fold_hl_timeout = 150,
     close_fold_kinds_for_ft = {
-      default = { 'imports', 'comment' },
+      default = { 'imports' },
     },
     preview = {
       win_config = {