Fixed product catalog structure default filename
Merge branch 'bug_fixes' of github.com:griddynamics/Behavior-Analytic-Starter-Kit into bug_fixes

# By Anton Haldin RedHat
# Via Anton Haldin RedHat
* 'bug_fixes' of github.com:griddynamics/Behavior-Analytic-Starter-Kit:
  add get recommendation. Data flow diagramm