OZG-400 add link 'search-user-profiles'

...y-server/src/main/java/de/itvsh/goofy/RootController.java

...ver/src/main/java/de/itvsh/goofy/common/ModelBuilder.java

...main/java/de/itvsh/goofy/common/command/CommandOrder.java

...ava/de/itvsh/goofy/common/user/UserProfileController.java

...in/java/de/itvsh/goofy/common/user/UserProfileMapper.java

...n/java/de/itvsh/goofy/common/user/UserProfileService.java

...rver/src/test/java/de/itvsh/goofy/RootControllerTest.java

...de/itvsh/goofy/common/user/UserProfileControllerTest.java