add Idear/Routine to README

README.md

@@ -1,3 +1,15 @@
 # gitea_sortt
 
 Java Script for https://github.com/go-gitea/gitea/pull/7980 (Sortable Tables) .. by header click
+
+
+## Idear/Routine
+* if table head colum class has attribute sort="xy" -> colum header klickable
+* Klich at colum header for example `<ID>`
+ -> script check if url has already a sort= with `<ID>`
+     NO: if sort="" indikates default (with * prefix) set URLsort=<default>
+     YES: set URLsort variable
+-> script check if URLsort and sort attribute is same
+    YES: -> check if reverse attribute exist
+                   YES: generate URL with reverse sort param and open
+   NO: generate URL with sort param and open