Small HotFix for v0.2.3

Hey Chefs!

Here is a small hotfix for v0.2.3, fixing some minor issues and also small additions.

- Added search option for serving food in free mode

- Fixed issue where salads get 0 starts.
- Fixed baklava and falafel can not be found in free mode.
- Fixed Yogurt is not available in free mode.
- Fixed default color of the walls on second restaurant.

Have fun!