Update search.json

plugins/search.json

 [
+  "rubick-thesis-tools",
   "ip-config-rubick-plugin",
   "rubick-everything",
   "rubick-tpl-bookmarks-search",
   "rubick-ui-webpage-open",
-  "rubick-ui-plugin-mverything"
+  "rubick-ui-plugin-mverything",
+  "rubick-doutu"
 ]