Merge branch 'oving7' into 'main'

ovinger/oppgavetekster/README.md

ovinger/oppgavetekster/oving7/AbstractAccount.md

ovinger/oppgavetekster/oving7/CardContainerImpl.md

ovinger/oppgavetekster/oving7/ObservableList.md

ovinger/oppgavetekster/oving7/README.md

ovinger/oppgavetekster/oving7/SavingsAccount.md

ovinger/oppgavetekster/oving7/Train.md

ovinger/oppgavetekster/oving7/images/ObservableList_del1.png

ovinger/oppgavetekster/oving7/images/ObservableList_del2.png

ovinger/oppgavetekster/oving7/images/ObservableList_del3.png

ovinger/oppgavetekster/oving7/images/Train_del1.png

ovinger/oppgavetekster/oving7/images/Train_del2.png

ovinger/oppgavetekster/oving7/images/Train_del3.png

ovinger/src/main/java/oving7/.gitinclude

ovinger/src/test/java/oving7/.gitignore

ovinger/src/test/java/oving7/BSUTest.java

ovinger/src/test/java/oving7/CardDeckTest.java

ovinger/src/test/java/oving7/CardHandTest.java

ovinger/src/test/java/oving7/CargoCarTest.java

ovinger/src/test/java/oving7/CreditAccountTest.java