Redirects for Docs #156682 (#651)

Author: nedbat

salt/docs/config/nginx.docs-redirects.conf

@@ -133,6 +133,9 @@ location ~ ^/([a-z-]*/)?(3|3.5|3.6|3.7|3.8|3.9|3.10)/library/_winreg.html$ {
 location ~ ^/([a-z-]*/)?(3|3.13|3.14)/library/(2to3|tkinter.tix).html$ {
     return 301 https://$host/$1$2/;
 }
+location ~ ^/([a-z-]*/)?(3|3.13|3.14|3.15)/library/(constants|exceptions|functions|stdtypes|threadsafety|time-complexity).html$ {
+    return 301 https://$host/$1$2/builtins/$3.html;
+}
 
 # Map /documenting to the devguide.
 location ~ ^/devguide/(.*)$ {