fix order

Signed-off-by: Kai Huang <[email protected]>

Author: ahkcs

docs/category.json

@@ -35,12 +35,12 @@
     "user/ppl/cmd/head.rst",
     "user/ppl/cmd/join.rst",
     "user/ppl/cmd/lookup.rst",
+    "user/ppl/cmd/multisearch.rst",
     "user/ppl/cmd/parse.rst",
     "user/ppl/cmd/patterns.rst",
     "user/ppl/cmd/rare.rst",
     "user/ppl/cmd/regex.rst",
     "user/ppl/cmd/rename.rst",
-    "user/ppl/cmd/multisearch.rst",
     "user/ppl/cmd/rex.rst",
     "user/ppl/cmd/search.rst",
     "user/ppl/cmd/showdatasources.rst",