add the script with all the answers

Author: brunj7

modules/week04/index-04.qmd

@@ -17,7 +17,7 @@ Lecture notes:
 -   [class-script-04-tue.sql](class-script-04-tue.sql)
 -   [lecture-notes-data-management-io.sql](lecture-notes-data-management-io.txt)
 -   [class-script-04-thu-empty.sql](class-script-04-thu-empty.sql)
-<!-- -   [class-script-04-thu-solution.sql](week4-wed_lecture-notes.sql) -->
+-   [class-script-04-thu-solution.sql](week4-wed_lecture-notes.sql)
 
 
 Data: